Dr. Padma Raj Gajurel

Professor

Higher plant diversity & Taxonomy, Ethnobotany, NTFPs & Medicinal Plants

Contact

prg[AT]nerist(dot)ac(dot)in /
prgajurel[AT]gmail(dot)com

(EPBX/Office): 360 2257401-08 extn. 6110

PROFESSIONAL BACKGROUND

Current Designation	DOJ on current Position	Type of Association	Designation at the time of joining	Date of joining in the organization
Professor	30th Dec. 2017		Associate Professor	20th June 2006

From	To	Designation	Organisation
Dec. 2017	Till date	Professor	NERIST
Dec..2014	Dec.2017	Associate Professor	NERIST
June 2006	Dec. 2014	Assistant Professor	NERIST
Dec. 2003	June 2006	Young Scientist	NERIST
Sept. 1997	Dec. 2003	JRF, SRF, RA	NERIST

EDUCATIONAL DETAILS

Degree	Subject	University
Ph. D	Botany- Taxonomy	North Eastern Hill University
M. Sc	Botany (Angiosperm Taxonomy)	Gauhati University
B. Sc	Botany (Hons) Zoology, Chemistry	Dibrugarh University

ADMINISTRATIVE BACKGROUND

From	To	Designation	Organisation
Sept. 2022	Till date	Chairman NHU	NERIST
July 2015	Till date	Laboratory In-charges	NERIST
May 2012	Till date	Nursery In-charge	NERIST

SPONSORED RESEARCH PROJECTS

Ongoing Projects

Sl. no	Title of the project	Funding Agency	Period	Grant (Rs. Lakh)
1	Exploration of native legumes of North-Eastern region of India and molecular characterization of associated nitrogen fixing microsymbionts: towards development of effective rhizobial consortium	DBT	2022-2025	37.14

Completed projects

1	Comprehensive metabolic profiling and pharmacological studies of Piper species: a natural bioenhancer in pharmaceuticals	DBT	2019-22	46.0
2	Taxonomic revision and phylogeny of the genus Piper L.(Piperaceae) in India with its Biogeography	DST	2019-22	23.0
3	Bio resources and sustainable livelihood in Northeast India	DBT	2017-21	76.0
4	Capacity Building of Rural Tribal Women in Management and Marketing of Wild Edible Plants in Arunachal Pradesh (as Co PI)	DST	2018-21	35.0
5	Promotion of promising horticultural crops in degraded ecosystem and abandoned jhum lands in Arunachal Himalaya for improvement of livelihood” (as Co PI)	GBPNIHESD	2018-21	11.0
6.	Preventing extinction and improving conservation status of threatened plants through application of biotechnological tools	DBT	2012-17	27.0
7	Mapping, Analysis and Management of Medicinal and Aromatic Plants of Arunachal Pradesh using GIS, Phytochemical and Molecular Techniques (as Co PI)	NEC	2013-15	172.0
8	Developing a digital database on Bioresources of North East India: Through network approach among NE states	DBT	2011-2016	29.0
9	Study on species diversity of Primula in the eastern Himalaya.	ATREE	2010-13	9.99
10	Studies on Diversity Taxonomy and population status of Endemic medicinal plants for promotion of Conservation	NEC Shillong	2011-16	26.5
11	Assessment of population structure and regeneration pattern of most preferred food plant species of Hoolock Gibbons in protected areas of Northeast India (as co PI)	CSIR	2010-13	14.0
12	Computational and biochemical approaches for in-silico screening and discovery of drug-like leads: Antidiabetic and antihypertensive compounds from Clerodendron spp. occurring in N E India (as co PI)	DBT	2012-13	32.0
13	Documentation and Conservation of wild edibles, aromatic plants of Arunachal Pradesh and adjoining state of the Region. (as co PI)	NEC Shillong	2011-14	24.12
14	Forest-based Cottage Industries in Arunachal Pradesh and to Formulate Strategies for promoting Institute – Industry and Community Linkage for Technology Dev. and Transfer	DST	2009-12	11.9
15	Botanical Ecological Survey of Medicinal Plant Conservation areas in Arunachal Pradesh”(UNDP funded project)	APSMPB- UNDP	2011-13	8.4
16	Studies on Diversity & Taxonomy of Piper species of North East India. (under Fast Track scheme of DST)	DST	2003-06	10.0
17	Survey and Evaluation of Pharmaceutical Potential Medicinal plants in NE India (consultancy project)	NIPER	2007-08	2.5

CONSULTANCY PROJECTS (COMPLETED)

Title	Course Code	Module	Semester

COMPLETED PROJECTS

Title of Project	Names of Students	Status

MEMBERSHIPS IN PROFESSIONAL BODIES

Topic	Scholar Name	Status of PhD	Registration Year

TEACHING ENGAGEMENTS

Course Name	Sponsored By	Date

PROJECTS AND THESIS SUPERVISED/ CURRENTLY SUPERVISING

Conference Name	Sponsored By	Date

PH. DS SUPERVISED

Title	Place	Date

PARTICIPATION IN SHORT TERM COURSES

COURSES OR CONFERENCES ORGANISED

Seminar / workshop /Training programme organized

Sl. no.	Date & Vanue	Title of course &sponsorship	Acted as	level
1	March 15 to June 15, 2022 NERIST	DBT-APSCST Skill Vigyan Programe on Construction of Low cost Nursery	Co ordinator	National
2	March 15 to June 15, 2022 NERIST	DBT-APSCST Skill Vigyan Programe on Bioinformatics	Co ordinator	National
3	11^th March, 2020, Sopo Village, Arunachal Pr.	Farmers training on Sustainable management of Bamboo	Co-co ordinator	State level
4	28^th -30^th March, 2019, NERIST,	Training programme on Angiosperm Taxonomy with particular reference to Banana	Co-co ordinator	Regional
5	4^th Feb, 2017Dolongmukh, Arunachal Pradesh	Training programme for the farmers on Management and Cultivation of medicinal plants.	Co-co ordinator	State level
6	24^th Sept. 2016NERIST	Workshop on Northeast India Biodiversity Portal sponsored by ATREE	Co ordinator	Regional
7	14-15 Dec, 2015Miao Arunachal Pradesh	Training programme for the farmers on Management and Cultivation of medicinal plants.	Co ordinator	State level
8	28^th-29^thJan. 2013NERIST	Consultative workshop & Trainning Need Assessement on Medicinal Plants	Co ordinator	National
9	6^th – 8^th May,2011 NERIST	Workshop on Standardizing the cultivation and harvesting methods of NTFPs for their sustainable management	Organizing Secretary	National
10	24^th March 2011NERIST	Trainning programme to the farmers on Potetial NTFPs and its sustainable management. DST, Govt of India.	Co ordinator	State
11	26 Feb., 2011NERIST	Consultative workshop on Voices from high altitudes: Mainstreaming in State Action Plan on Climate Change (SAPCC) in Arunachal Pradesh’ sponsored by WWF India,	Co ordinator	State
12	19^th Dec 09NERIST	Regional seminar on A long way to go for Empowering the people of Arunachal Pradesh, Economically for its sustainable growth, funded by ICSI, Kolkotta	Co Ordinator	Regional
13	11-12^th Dec., 09NERIST	National Seminar on Agroforestry for socio economic development of North eastern region. funded by NEC Shillong.	Organizing secretary	National
14	28-30^th May, 08NERIST	Workshop on "Prospects of NTFP Certification and Sustainable NTFP Management" funded by IIFM Bhopal & RCDC, Bhubaneshwar	Co ordinator	National
15	15^th 16^th Dec., 07 NERIST	Workshop cum Seminar on ‘’Bamboo resources of N E India: Adoption of suitable Cultivation techniques for Socio economic development of poor people’’ funded by NEC Shillong.	Organizing secretary	Regional

SPECIAL LECTURES DELIVERED

Sl. no	Title of presentation	Name of Conference/Workshop/ Training	Date and Venue	Organizer
1.	Biodiversity, ethnobotany and TKS in NE India: Relevance in food nutrition and health management	Tribes, state and the environment: Contemporary research in India’s North East India	6^th-7^th March. 2023 Rajiv Gandhi University	RGU Itanagar and IIT Gandhinagr
2	Diversity of MAP in NE India: Prospects and Challenges	Integration of herbal medicine of NE India in Clinical practice	4^th Nov, 2022 Dibrugarh University	RIWATCH & Dibrugarh University
3	Traditional Knowledge System in NE India: Prospects in health & nutrition management	National Seminar on History of Science & Traditional Knowledge Systems in India	10^th Oct. 2022 Rajiv Gandhi University	INSA
4	Medicinal Plants & its Commercialization aspect	Documentation of Traditional Healing Practices of Traditional Healers of NER	28^th Sept. 2022 NEIAFMR	NEIAFMR , AYUSH, Pasighat
5	Prospects of Ethnobota nical Research in NE India,	National webinar on Ethnobotanical Research in North East India	27^th July, 2021.	NEIAFMR , AYUSH, Pasighat
6	Dihang Dibang BR- Bioresources and their Management	National webinar on Biospher Reserve of India, Identification, Conservation and Management	15-19 March 2021 (Virtual)	Govt. MSG College Rewa, MP
7	Plant diversity, their utilization and socio economic prospects in Arunachal Pradesh	Certificate course on People’s Biodiversity Register (PBR) Management.	18-21 January 2021. Itanagar	GBPNIHE, NER Centre, Itanagar
8	Piper L (Piperaceae) in India: Diversity Economic Potential & Conservation	Singapore Botanic Garden Speaker Series	15 Mar, 2019 Singapore	Singapore Botanic Garden
9	Taxonomic research in north east India	Training programme on Angiosperm Taxonomy with particular reference to Banana	28^th -30^th March, 2019, NERIST	Department of Forestry, NERIST
10	Medicinal and aromatic plant Resources - their cultivation and processing in NE India	Training on NTFP and Entrepreneurship Development for Sustainable Livelihood	12^th Jan, 2018	NIRDPR-NERGuwahti
11	Forest resources of North East India and their importance in socio economic development	Training Programme on the Interaction of Biodiversity and Climate Change in North eastern India	22^nd Oct.- 3^rd Nov. 2018, Rajiv Gandhi Univ., Itanagar	ATREE Bangalore & Rajiv Gandhi University
12	Challenge of Collection and Taxonomy Research in North East India	Angiosperm Taxonomy, Bio-resource conservation and its utilization”	3^rd to 7^th Dec ’18 at IIE, Guwahati	ATREE Bangalore
13	Cultivation and management of medicinal plants	Farming techniques and sustainable use of medicinal plants	11^th -12^th Sept, 2017 Golaghat,	D R College, Golaghat, Assam
14	Plant Taxonomy: Relevance & Methods	Workshop YETI-2016	4^th-7^th Jan. 2017 Tezpur	Tezpur University
15	Indigenous Knowledge system and Biodiversity conservation	International Conference on Global Biodiversity, Climate Change & Sustainable Development	October 15-18, 2016	Rajiv Gandhi University, Itanagar
16	Management & conservation of Jatropha Curcas: A source of Bio-diesel	Workshop on Demonstration and Training on Bio-diesel Production	17^th -18^th Oct., 2016	Mech. Eng. Dept. NERIST
17	Forest Resources: Utilization and Conservation	National workshop on Role of Forestry In Conservation of Biodiversity	20^th April 2016	Chaiduar college, Gohopur Assam
18	The Ethnobotany in the state of Arunachal Pradesh: An overview	National Conference on Aspect and prospect of Spermatophyte taxonomy	26^th -27^th Feb 2015,	EHSST & Assam University
19	Ecological Characters and Forest types of Namdapha NP and its adjacent areas	Consultative workshop on The Brahmaputra-Salween Landscape (BSL)	Jan 3^rd 2012	GBPHIED, Itanagar with ICIMODE
20	Current Status of medicinal plants sector of Ar. Pradesh	Consultative meeting on threat assessments of medicinal plant	Nov 16, 2012	IAIM -FRLHT Bangalore
21	Potential Forest Resources for Socio- economic upliftment	UGC workshop on Sustainable use for Biodiversity	March 2012Gohopur Assam	Chaiduar college, Assam
22	Field methods of plant collection	ToT programme for Field Botanist in conservation of medicinal plants.	May 11, 2011	FRLHT Bangalore UNDP GOI-GEP progr.
23	R & D Activities of Piper species in the northeast region: A review	Consultative meeting on Prospects and Potential of Piper species in North East India	Mar. 12, 2011	IBSD, Imphal
24	High value and RET medicinal plants of Arunachal Pradesh.	Finalaization of the list of GSMP &MPCA in three Indian state under UNDP-GOI projects.	Sept 27, 2010	FRLHT-IAIM, Bangalore
25	Collection and Identification of plants	in National Workshop on Field Work in Environmental studies.	Feb 18, 2010	Dhing college, Assam.
26	Methods of Numerical Taxonomy	Short term Trainning on Bioinformatics 4^th March, 08	RGU, Rhono Hill, Itanagar

RESEARCH PUBLICATIONS (JOURNAL) AND BOOKS AUTHORED

Books Authored

Gajurel P. R., Rethy, P., Kumar, Y. & Singh, B. 2008. Piper species of North East India- Arunachal Pradesh: BSMPS, Dehradun. (43 figures and 30plates). ISBN: -978-81-211-0533-0
Buragohain R., Gajurel, P. R. & Rethy, P. 2014. Diversity and taxonomy of Moraceous species in the state of Arunachal Pradesh, India. Scholar Press, Germany, p 205. ISBN: 978-3-639-71491-3.

Journal Articles

Gajurel, P. R., Singh, B, Kashung, S., Adhikary,P. Nopi, S., Barman, R. Yakang, T., Doni, T., Gogoi., D. 2022 Foods from the wild: A review on diversity and use pattern of wild edible plants of Arunachal Himalaya for sustainable management. Plant Science Today 10(1): 80–90 doi:10.14719/pst.1857 IF 0.83
Kashung, S., Gajurel, P. R., Singh, B Barman, R. & Yakang, T. 2022 Aristolochia rethyae, a new species from Arunachal Pradesh, India Phytotaxa 564 (1):001–007 doi:10.11646/phytotaxa.564.1.1 IF 1.12
Samad, A. Singh, B. & Gajurel, P. R, 2022. Influence of growth regulators and length of cuttings on the propagation potential of Piper pedicellatum C. DC. – A threatened wild leafy vegetable of North-East India. Journal of Applied Horticulture, 34(2): 178-183 doi:10.37855/jah.2022.v24i02.33
Lindsay, S. Middleton, D.J., ……Gajurel, P. R.…et al. 2022. Flora of Singapore: Checklist and bibliography Gardens’ Bulletin Singapore 74 (Suppl. 1): 3–860. doi:10.26492/gbs74(suppl.1).2022-01
Samad, A. Singh, B. & Gajurel, P. R, 2021. Influence of stem cutting size and growth regulators on propagation technique and yield attributes of Ceylon spinach [Talinum triangulare (Jacq) Willd] –An underutilized leafy vegetable. Indian Journal of Hill Farming, 34 (2): 224-230

Kashung, S., Gajurel, P. R & Singh B. 2021.Distribution and diversity of climbing species in Papum Pare District of Arunachal Pradesh, India. Journal of Threatened Taxa 13(3):17972-17983 10.11609/jott.5859.13.3.17972-17983
Gajurel, P. R., Kashung, S., Nopi Sisibyeng, Panmei R., & Singh, B. 2021 Can the Ayurvedic Pippali plant (Piper longum L.) be a good option for livelihood and socio economic development for Indian farmers? Current Science, 120 (10):1567-1571 doi: 10.18520/cs/v120/i10/1567-1572 IF 1.16
Gajurel, P. R., Kashung, S., Singh, B & Nopi Sisibyeng. 2021. Present status of Distribution, utilization and marketing of Zanthoxylum armatum DC.- A socio economically potential species in Arunachal Pradesh, India Plant Science Today 8(1):210-217 doi: 10.14719/pst.2021.8.1.993 IF 0.83
Samad, A. Singh, B. & Gajurel, P. R. 2021. Influence of propagules and growth regulators on the performance of underutilized spice –Spiny coriander (Eryngium foetidum L). Journal of Spices and Aromatic Crops, 30 (2):204-209.
Gajurel, P. R & Lua H.K. 2020. Flora of Singapore precursors, 20: Notes on the genus Piper (Piperaceae) from Singapore. Gardens' Bulletin Singapore 72(2): 135–141. doi 10.26492/gbs72(2).2020-02
Tajum Doni & Gajurel, P. R. 2020. Diversity of Wild edible plants Traditionally used by Galo tribes of Indian Eastern Himalayan state of Arunachal Pradesh, India Plant Science Today, 7(3): 1-14doi: 10.14719/pst.2020.7.3.855 IF 0.83
Kashung, S., Gajurel, P. R. & Singh, B. 2020. Ethnobotanical uses and socio-economic importance of climbing species in Arunachal Pradesh, India Plant Science Today, 7(3):371-377.doi: 10.14719/pst.2020.7.2.771 IF 0.83
Panmei, R., Gajurel, P. R. & Singh, B. 2019. Ethnobotany of medicinal plants used by the Zeliangrong ethnic group of Manipur, northeast India Journal of Ethnopharmacology, 235:164-182. doi:10.1016/j.jep.2019.02.009 IF 5.10
Kamle M., Mahato, K.D., Lee K.E, Vajpai, V K., Gajurel P R., Gu KS, Kumar P. 2019. Ethnopharmacological and medicinal properties of Litsea cubeba. Plants, 8:150. doi:10.3390/plants8060150 IF 4.66
Ronald, K., Gajurel, P. R.& Singh, B. 2019.Assessment of eco-diversity status of Homalomena aromatica (Spreng.) Schott and its habitat in tropical forest of Indian Eastern Himalaya. Plant Science Today, 6(2):71-83. doi.org/10.14719/pst.2019.6.2.435 IF 0.83
Arya, H., Yadav , C. S., Shu-Yu Linc, Syeda , S. B., Charlesa, M. R. C., Kannadasanb, S., Hsing-Pang Hsiehc , Singh, S. S., Gajurel P. R., & Coumar, M. S. 2019. Design of a potent anticancer lead inspired by natural products from traditional Indian medicine, Journal of Biomolecular Structure & Dynamics 38(12):3563-3577 doi: 10.1080/07391102.2019.1664326 IF 4.15
Kashung, S., Gajurel, P. R.& Singh, B. 2019. Morphological variations and phenology of Ipomoea L. species of Arunachal Pradesh, Eastern Himalaya Int. J of Plant Reproductive Biology, 11(1):91-97. DOI:https://doi.org/ 10.14787/ijprb.2019.11.1
Panmei, R., Gajurel, P. R.& Singh, B. 2018. Ethnomedicinal plants of the Bunning Wildlife Sanctuary of Manipur, India Pleione 12(1):1-10. doi: 10.26679/Pleione.30.6.2018.001-010
Kashung, S., Gajurel, P. R.& Singh, B. 2018. Record of two climber species Ipomoea cairica(L.) Sweet and Ipomoea triloba L. (Convolvulaceae) - new for the flora of Arunachal Pradesh, India Pleione, 12(2):341-346. doi: 10.26679/Pleione.12.2.2018.341-346
Bawri, A., Gajurel, P. R. & Khan, M. L. 2018. Lectotypifications of five names of Primula species (Primulaceae) Kew Bulletin 73:29 doi: 10.1007/S12225-018-9750-9 IF 0.82
Devi, W. D., Gajurel, P. R.& Rethy, P. 2018. Phenological behaviour of Piper sylvaticumRoxb. (Piperaceae) a medicinally important species occurring in north East India Int. J. of Plant Reproductive Biology, 10(1):84-89. doi: 10.14787/ijprb.2018 10.1.84-89
Panda, P. C., Kumar, S., Singh, J. P, Gajurel, P., et al. 2018, Improving macropropagation and seed germination techniques for conservation of threatened species. Current Science, 114, (3), 562. IF 1.02
Bawri, A., Gajurel, P. R. & Khan, M. L. 2017. An amplified description and conservation status of a little known endemic species: Primula jigmediana W. W. SM (Primulaceae). Journal of the Bombay Natural History Society.DOI: https://doi.org/10.17087/jbnhs/2018/v115/105653
Bamin Y., Gajurel P R & Paul A.2017. Community Structure, Species Composition and Population Status of NTFPs of Ziro Valley in Arunachal Pradesh, India Journal of Forest and Environmental Science. 33(3): 1-24. doi: doi.org/10.7747/JFES.2017.33.3.202
Ronald, K.H., Gajurel P.R. Buragohain, R., Rethy P & Singh B. 2017.Poor Phyto-sociological status of medicinal plants in Eastern Himalaya: Case study on the present scenario of some rare and economically important medicinal plants. Folia Malaysiana 18(1) 2016: 43 – 56
Devi, W. D., Gajurel, P. R.& Rethy, P. 2016. Phenology of Piper mullesua Buchanan-Hamilton ex D. Don (Piperaceae) - a medicinally important dioecious plant. Pleione, 10(2): 239-247.
Bawri, A., Gajurel, P. R. & Khan, M. L. 2016. Primulacalderiana subsp. bawaii (Primulaceae): a new subspecies from Arunachal Pradesh, India Phytotaxa, 265(1):67-72. doi: 10.11646/phytotaxa.265.1.6
Devi, W. D., Gajurel, P. R.& Rethy, P. 2016. Bisexuality in dioecious male plant: An unusual phenomenon of sex expression in Piper species. Int. J of Plant Reproductive Biology, 8(1):82-86. DOI:http://dx.doi.org/10.14787/ijprb.2016 8.1.82-86
Panmei, R., Gajurel, P. R. & Singh, B. 2016. Ethnobotany and nutritional values of some selected wild edible plants used by Rongmei tribe of Manipur northeast India. International Journal of Applied Biology and Pharmaceutical Technology 7(4): DOI: http://dx.doi.org/10.21276/ijabpt.2016.7.4.1
Babu, V., Singh, S. K., Venkatasubramanian, P.& Gajurel, P. R. 2016.Comparative analysis of major alkaloids in Piperspecies traded as ‘Pippali’ in South Indian markets: absence of the chief known constituent –piperine in selected samples. Current Science, 111(9):1507-1510. IF 1.02
Singh, N. P., Gajurel, P. R., Panmei, R. & Rethy, P. 2015. Indigenous healing practices and ethnomedicinal plants used against Jaundice by some Naga tribes in Nagaland, India. Pleione, 9(1):40-48.
Bawri, A., Gajurel, P. R. & Khan, M. L. 2015. Rediscovery of Primula polonensis. Kew Bulletin, 70: 56 doi: 10.1007/S12225-015-9605-6 IF 0.82
Gajurel, P. R., Ronald, K.H, Buragohain, R. & Rethy, P. 2015. On the present status of distribution and threats of high value medicinal plants in the higher altitude forests of the Indian Eastern Himalaya. Journal of Threatened Taxa, 7(6): 7243-7252. https://doi.org/10.11609/JoTT.o4041.7243-52
Bawri, A., Gajurel, P. R, Paul, A. & Khan, M. L. 2015. Diversity and Distribution of Primula species in Western Arunachal Pradesh, Eastern Himalayan Region, India. Journal of Threatened Taxa, 7 (1): 6788-6795. doi: 10.11609/JoTT.o3721.6788-95
Singh, N. P., Gajurel, P. R. & Rethy, P. 2015. Ethnomedicinal value of traditional food plants used by Zeliang Tribe of Nagaland. Indian Journal of Traditional Knowledge, 14(2): 298-305. IF 0.76
Yakang, B. & Gajurel, P. R.. 2015. Traditional use and conservation of some selected plants used in festivals and rituals in Apatani Plateau of Arunachal Pradesh, India. International Journal of Conservation Science, 6(2): 189-200. IF 0.54

Paul, A., Gajurel, P. R. & Das, A. K. 2015. Threats and conservation of Paris polyphylla an endangered, highly exploited medicinal plant in the Indian Himalayan Region. Biodiversitas 16(2): 295-302.10.13057/biodiv/d160226
Bawri, A., Gajurel, P. R. & Khan, M. L. 2014. Primula lacerata (Primulaceae) - a rare species and addition to the flora of India from East Himalayan Region. Rheedea, 24 (1): 32-35.

Doley, B., Gajurel, P. R., Rethy, P.& Buragohain, R. (2014). Uses of trees as medicine by the ethnic communities of Arunachal Pradesh, India. Journal of Medicinal Plant Research, 8(24), 857-863. doi:/ 10.5897/JMPR10.768
Tamuly, C., Buragohain, R., Hazarika, M., Bora, J.& Gajurel, P. R. 2015. Assessment of antioxidant activity of six Ficusspecies—underutilized fruits from Arunachal Pradesh in North East India. International Journal of Fruit Science 15(1) 85-99. IF 1.56 doi: 10.1080/15538362.2014.931174
Tamuly, C., Hazarika, M., Bora, J. &Gajurel, P. R. 2014. Antioxidant Activities and Phenolic Content of Piper wallichii (Miq.) Hand.-Mazz. International Journal of Food Properties 17(2): 309-320. UGC no. 3038 (ISSN 10942912) DOI:https://doi.org/10.1080/10942912.2011.631250
Bawri, A., Gajurel, P. R. & Khan, M. L. 2014. New distributional records of Primula species in Arunachal Pradesh, India. Bioscience Discovery, 5(1):6-10.ISSN: 2229-3469 (Print); ISSN: 2231-024X (Online)
Chowdhury, U., Tanti, B., Rethy, P.& Gajurel, P. R. 2014. Analysis of genetic diversity of certain species of Piper using RAPD-based molecular markers. Applied Biochemistry and Biotechnology, 174(1): 168-173. IF. 2.92
Buragohain, R., Gajurel P. R., Rethy, P. & Singh, B. 2014. Ficus geocarpa (Moraceae): A new record for India from Arunachal Pradesh. Rheedea, 24(2): 110-112.
Panmei, R. Gajurel, P. R. Singh, B. & Rethy, P. 2014. Utilization pattern of NTFPs by Rongmei tribe of Manipur, North East India. Journal of Non timber forest products 21(1): 9-20.

Buragohain, R., Gajurel, P. R., Rethy, P. & Singh, B. 2014. Ficus variegata Blume (Moraceae) – A new record from Arunachal Pradesh, India. J. of the Bombay Natural Hist. Soc.,111(2): 148-149. doi: 10.17087/jbnhs/2014/v111i2/72251
Hazarika, H., Gajurel, P. R. & Rethy, P. 2014. Phytosociological analysis of Piper betleoides C.DC. an endemic species of Indian Eastern Himalayas, Arunachal Pradesh. International Journal of Recent Scientific Research, 5(9): 1560-1570.
Brahma, J., Singh, B., Rethy, P. & Gajurel, P. R. 2014.Nutritional analysis of some selected wild edible species consumed by the Bodos tribes of Kokrajhar district, BTC, Assam. Asian journal of Pharmaceutical & Clinical Research 7(3): 34-38.
Sharma, K., Kumar, A., Krishna, C. M., Tripathi, O.P. & Gajurel, P. R. 2013. Ground Feeding Observation on Corn (Zea mays) by Eastern Hollock Gibbon (Hoolock leuconedys). Current Science 104(5): 587-588. IF 1.02
Bamin, Y., Gajurel, P. R., Potsangbam, S. & Bhuyan, L. R. 2013. Account of common and traditional Non Timber Forest Products used by Apatani tribe of Arunachal Pradesh, India. Pleione 7(2):514-529.
Bawri, A., Gajurel, P. R. & Khan, M. L. 2013. Record of Primula waltonii Watt ex I.B. Balfour (Primulaceae) from Arunachal Himalaya with taxonomic notes. Pleione 7(1): 262-265.
Tamuly, C., Hazarika, M., Bora, J., Bordoloi, M., Boruah, M. P.& Gajurel, P. R. 2013. In vitro study on antioxidant activity and phenolic content of three Piper species from North East India. Journal of Food Science and Technology 52(1): 117-128. doi:10.1007/s13197-013-1021-z
Buragohai, R. Gajurel, P. R ., Rethy, P. & Singh, B. 2012. Ficusconglobata King: A rare and lesser known species from Arunachal Pradesh. Pleione, 6(2): 415-419.
Gajurel, P. R., Doley, B. & Rethy, P. 2012. Bauhinia roxburghiana Voigt. (Caesalpiniaceae) - A new record for NE India. Pleione 6(1): 238-240.
Saikia, B., Rethy, P., Gajurel, P. R., & Doley, B. 2012. Exotic wild edible plants of Sonitpur district, Assam. Journal of Biosciences Research 3(1):71-75.
Doley, B., Gajurel, P. R.,Rethy, P., Singh, B. & Boragohain, R. 2010. Flora of NERIST campus, Arunachal Pradesh, India: a checklist along with their common uses. Pleione 4(1): 8-16.
Kagyung, R., Gajurel, P. R., Rethy, P. & Singh, B. 2010. Ethnomedicinal plants used for gastro-intestinal diseases by Adi tribes of Dehang-Debang Biosphere Reserve in Arunachal Pradesh. Indian Journal of Traditional Knowledge, 9(3): 496-501. IF 0.76

Doley, B., Gajurel,P. R., Rethy, P., Singh, B., Buragohain, R. & Potsangbam, S. 2010. Lesser known Ethno medicinal Plants Used by the Nyshi community of Papumpare District, Arunachal Pradesh. J. Bio Sci. Res 1(1):34-36.
Doley, B., Gajurel P. R., Rethy, P. & Saikia, B.2010. A check list of commonly used species by the Nyshi tribes of Papumpare District, Arunachal Pradesh J. Bio Sci. Res 1(1): 9-12.
Rethy, P., Singh, B., Kagyung, R. & Gajurel, P. R. 2010. Ethnobotanical studies of Dehang-Debang Biosphere Reserve of Arunachal Pradesh with special reference to Memba tribe. Indian Journal of Traditional Knowledge 9(1): 61-67. IF 0.76
Saikia, B., Doley, B., Rethy, P.&Gajurel, P. R. 2010.Traditional uses of flower as food in Sonitpur district of Assam and Papumpare district of Arunachal Pradesh. Ethnobotany 22: 121-124.
Doley, B., Gajurel P. R., Rethy, P., Singh, B. &Hazarika, H. 2009. Ethnomedicinal uses of different species of Cinnamomum Schaeffer (Lauraceae) by ethinic communities in Arunachal Pradesh, India. Pleione 3(1): 9-12.
Singh, B., Rethy, P. Hazarika, H., Gajurel, P.R. & Kagyung, R. 2009. Wild Edible Plants and its Commercial Potential: A case study from Itanagar area of Arunachal Pradesh. Journal of Non Timber Forest Products 16(2): 139-144.
Pangging, G., Arunachalam, A. & Gajurel, P. R. 2009. Community forestry – linking conventional and nonconventional forest areas for sustainable development. Current Science 97(7): 981. IF 1.02
Gajurel, P. R., Rethy, P. &Kumar, Y. 2007. A new species of Piper L. (Piperaceae) from Arunachal Pradesh, India. Rheedea 17(1&2): 35-39.
Gajurel, P. R., P. Rethy, Singh, B. &Angami, A.2006. Ethnobotanical studies on Adi tribes in Dihang Dibang Biosphere Reserve in Arunachal Pradesh, Eastern Himalaya. Ethnobotany 18(1&2): 114-118.

Gajurel, P. R., Bora, P. J., Muthu, J. & Sarmah, A. 2006. Status and conservation aspects of Amentotaxus assamica- A critically endangered Gymnosperm in Arunachal Pradesh, Eastern Himalaya. Phytotaxonomy (6): 39-44.
Rethy, P., Handique, P., Singh, B., Sood, K. K., Gajurel, P.R. & Angami, A. 2006. Bamboo species of Arunachal Pradesh with special reference to utilization pattern and cultivation practices in West Siang district. Journal of Non Timber Forest Products 13(1): 1-7.
Angami, A., Gajurel, P. R., Rethy, P., Singh, B. & Kalita, S. K. 2006. Status and potential of wild edible plants of Arunachal Pradesh. Indian Journal of Traditional Knowledge 5(4): 541-550. IF 0.76
Gajurel, P. R., Rethy, P., Kumar, Y. & Singh B. 2002.Numerical taxonomic studies on some species of Piper L. (Piperaceae) of North East India. Rheedea 12 (2): 107-122.
Gajurel, P. R., Rethy, P. & Kumar, Y. 2001. A new species of Piper (Piperaceae) from Arunachal Pradesh, North Eastern India. Bot J. of Linnaean Society 137: 417-419. IF 2.90
Gajurel, P. R., Rethy, P. & Kumar, Y. 2001. Piper haridasanii a new species of Piper (Piperaceae) from Arunachal Pradesh, North Eastern India. Journal of Economic and Taxonomic Botany 25 (2): 293-296.
Gajurel, P. R., Rethy, P. & Kumar, Y. 2000. Piper acutistigmum C. DC. (Piperaceae): A new record for India. Rheedea 10 (2): 139-141.

Gajurel, P. R., Rethy, P. & Kumar, Y. 1998. Piper lonchites Roem. &Sch. -A lesser known species of Piper from Arunachal Pradesh, India. Journal of Economic and Taxonomic Botany 22 (3): 731-733.
Gajurel, P. R. & Rethy, P. 1998. Piper species of Arunachal Pradesh and their potential for development as a commercial crop in the state. Arunachal Forest News 16 (1 & 2): 32-37.

BOOK CHAPTERS

Chapter in Book / Proceeding Volume

1. Gajurel, P. R.,Rethy, P., Kumar, Y. & Singh B. 1999. Taxonomic problems and distribution of Piper species of North East India with special references to Arunachal Pradesh. In Sivadasan, M. & Mathew, P (eds.) Biodiversity, Taxonomy & Conservation of Flowering plants.. (proceeding of IAAT conference 1998). Mentor Books, Calicut, India.. (ISBN- 81-900324) pp 57-68

2. Gajurel, P. R.,Rethy, P. & Singh, B. 2000. Economic importance of Piper species of North East India and its potential for introduction in Agroforestry systems. Rethy, P. et al (eds) Forest Conservation and Management IBD, Dehradun, India 81-7089 – 280-5) pp 489-495.

3. Gajurel, P. R., Rethy, P. & Singh, B. 2000. The genus Piper L in North East India: Species Diversity, Taxonomy, and its Potential for Commercialization. Arunachalam, A. & Khan, M. L. (eds.) Sustainable Management of Forest-India IBD, Dehradun, India (ISBN 81-211-0298-7) pp 65-76.

4. Gajurel, P. R., Rethy, P. & Kumar, Y. 2002. The genus Piper in Arunachal: A systematic Profile. In A. P. Das (ed.) Perspectives of Plant Biodiversity. (Proceeding of IAAT conference 2001) BSMPS, Dehradun, India (ISBN 81-7089 – 280-5) pp. 102-124.

5. Gajurel, P. R., Rethy, P., Kumar, Y. & Singh, B. 2003. Importance of Systematic Investigation for Proper Utilization and Cons. of Piper species of NE India. In Gian Sing et al., (eds.) Ethnomedicine of North-East India. NISCOM, CSIR (ISBN 81-7236 -243-9) pp. 305-313

6. Singh, B., Rethy, P., Sood, K. K., Handique, P. & Gajurel, P. R. 2006. Enhancing agroforestry system for sustainable land use and development in Arunachal Pradesh. In Shrivastavaetal., (ed) proceeding of National Seminar on Land Resource Management for Sustainable Development RWD Govt of Arunachal Pradesh. pp 126-133.

7. Gajurel, P. R.,Rethy, P. & Singh, B. 2007. Wild edible plants of Dehang Debang BR in Arunachal Pradesh. In Das &Pandey (eds) Advances in Ethnobotany (proceeding of IAAT conference 2000) BSMPS, Dehradun, India (ISBN 81-211-0298-7) pp78-82.

8. Rethy, P., Singh, B., Angami, A., Gajurel, P. R. & Handique. 2009. Edible fruits in Arunachal Pradesh: Utilization pattern and marketing status. S. C. Tiwari (ed) Ethnoforestry: The Future of Indian Forestry BSMP, Dehradun, India (ISBN 81-2110728-8) pp: 203-220

9. Gajurel, P. R.& Rethy, P. 2009. Status and application of Ethnoforestry in sustainable Forest management and community development. S. C. Tiwari (ed) Ethnoforestry: The Future of Indian Forestry BSMP, Dehradun, India (ISBN 81-2110728-8) PP: 1-8

10 Hazarika, H., Rethy, P., Singh, B., Gajurel, P.R., Doley, B. &Buragohain, R. 2009. Agro forestry System in Arunachal Pradesh: Potential and prospects for Sustainable land use management.pp.116-123. In Singh etal., (eds.) Proceeding of national seminar on Agroforestry for Socioeconomic Development of North eastern Region Dept. of Forestry NERIST.

11 Saikia, B., Rethy, P., Gajurel, P.R. & Hazarika, H. 2009. Importance of agro forestry in watershed management in the Sunitpur District Assam.pp.59-63. In Singh etal., (eds.) Proceeding of national seminar on Agroforestry for Socioeconomic Development of North eastern Region. Dept. of Forestry, NERIST

12 Handique, P., Rethy, P.,Singh, B., Gajurel, P. R., Dutta, B. K. & Das, A. 2009. Role of bamboo resources in socio economic development of the tribal people of Arunachal Pradesh. Singh et. al., (eds.) Proceeding of national seminar on “Agroforestry for Socioeconomic Development of North eastern Region” Dept. of Forestry, NERISTpp.104-115

13 Hazarika, H., Rethy, P., Singh, B., Gajurel, P. R .& Doley , B. 2009. Prospects of Growing Biodiesel plants in Arunachal Pradesh Lingfa P (ed) Proceeding of regional seminar on “Bio fuels in North East India: Issue and Prospects. Dept of Mechanical Eng., NERIST

14 Gajurel, P. R. 2011. Species diversity and utility potential of Piper species of North east India. Barua A & Nath S. C. (eds) Aromatic & Spice plants: Utilization and Conservation Aviskar Pub Jaipur, India (ISBN 978-81- 7910-356 -2) pp-57-69

15 Gajurel P. R. 2010. Plant collection, preservation and identification. Nath S K (ed) Proceeding of the National workshop on Field Work in Environmental Studies. Dhing College, DhingAssam (ISBN 01-904177- 3-0) pp.13-17.

16 Kalita, J., Singh, S. S., Gajurel, P. R. 2012. Clerodendrum viscosum Vent An ethnomedicinally important plant of north east India. Singh K B et al., (eds) Recent Advances in Natural Product Research. (ISBN 987-81-924321-2-0) pp.52-58.

17 Bhuyan, L., Pallabi Bharali, P. R. Gajurel, B. Singh & P. Rethy 2017. Ethnomedicinal plants of Lakhimpur District, Assam: Potentiality for socio-economic development. Medhi. P. & Roy H.(eds) Compendium of Botanical research in Eastern India. Eastern Book House Publishing Guwahati. (ISBN 10: 9386302233).

18. Pamei R.,Gajurel, P.R. and Singh, B. 2021. Utilaization pattern of medicinal plants by Zeme tribe of Manipur, NE India. In Bawri A. et al (eds.) Recent Advances in Folk Medicine Research in North East India. Pp. 617-645 (ISBN 987-81-955047-0-1)

19. Yakang, T., Gajurel, P.R. and Singh, B. 2022. Distributional pattern and ethnobotanical values of Piper wallichii (Miq.) Hand.-Mazz. (Piperaceae) in Das et al (eds.) Proceeding Volume for the National Seminar on Plant Taxonomy and Traditional Knowledge in the Himalayas and North East India held during February 21 & 22, 2022

20. Gajurel, P.R. and Yakang, T. 2022. The genus Piper L. (Piperaceae) in Indian Flora in Seetalakshmi K. K. et al (eds) Conspectus on Realms of Biodiversity. BIVA, Kerala. Pp. 225-246.

PAPERS PRESENTED IN CONFERENCE/WORKSHOP/SYMPOSIUM

	Title/Subject of conference/seminar/ workshop	Date & Venue
1.	International. conference. on Sustainable. Agricultural Production for food, nutritional & livelihood Security,	Sept 25-27, 2019Pattaya, Thailand
2	13^th World Congress on Pharmacology and Toxicology”	Nov. 14-15, 2018 Melbourne, Australia
3	International Conference on Biodiversity, Climate Change Assessment and Impacts on Livelihood	Jan. 10-12, 2017Kathmandu, Nepal
4	International Conference on Biodiversity, Climate Change	October 10-12, 2016 Rajiv Gandhi Univ., Itanagar
5	International Conference of Society of Economic Botany on Global vision on Indegenous plants and Economic botany,.	June 2-5, 2015Clanwilliam, South Africa
6	National Sym on Himalayan Biodiversity: Prospects & Challenges	20^th-21^stMarch, 2014NEHU, Shillong
7	23^rd Conference of IAAT and National Seminar on Recent Advances in Plant Taxonomy.	27^th-29^th Dec. 2013RTM Nagpur University
8	International Conference&54^th Annual meeting of the Society for Economic Botany.	June 28^th –July 2^nd , 2013Plymouth UniversityU K
9	Malaysia International Biological Symposium.	July 11-12, 2012University Putra Malaysia
10	53^rd Annual meeting of the Society for Economic Botany and International symposium on Ethnobotany of Mountain Culture.	Frostburg State University, USA June 2-8., 2011
11	International seminar on Resources, Tribes and State.	Rajiv Gandhi University Itanagar13-15^th February 2012
12	International Conference of IOBP on Evolution of plants from Tropical to high mountain ecosystem: Focus on Asia.	Oct 27-29 2010 Dr. B. Amedkar M Univ. Aurangabad
13	International Symposium on angiosperm systematic and phylogeny :Retrospects and Prospects.	Nov,12-14 2009NBRI, Lucknow.
14	Workshop on Conservation of medicinal plants and of Eastern Himalaya in India	Aug,18-19, 09Winrock International India
15	Improvement of Bamboo Productivity and marketing for sustainable livelihood	April 15-17.2008National Bamboo Mission, New Delhi
16	Consultative meet on Survey and Evaluation of Pharmaceutical potential of Medicinal Plants in North East India,	Apr. 9 -10, 2007 at Guwahati byNIPER, Mohali
17	Seminar of IAAT on New Frontiers in Plant Taxonomy and Biodiv. Conservation”	Dec, 29-31 2004TBGRI, Kerala.
18	International Symposium of IAAT on Plant Taxonomy: Advance and Relevance	Nov 14-15, 2003T.M Bhagalpur Univ, Bhagalpur
19	National seminar of IAAT on Taxonomy in Nation Building..	Sept,26-27 2002Goa University, Goa
20	National Seminar on Traditional Knowledge Base on Herbal Medicine and Plant Resources of N. E. India- Protection, Utiliz. and Conservation	March 13-15, 2001NISCOM, CSIR, at Guwahati.

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