An expert talk was organized by Agricultural Engineering Association of NERIST (AGEAN) on 23rd February by Dr. Rajesh Joshi, Scientist F and Head, GB Pant National Institute of Himalayan Environment, Sikkim Regional Centre. He delivered his talk on “Decoding Environmental and Climatic Changes using Tree Ring proxies as Ecological Indicators”. Faculty members, Research Scholars, MTech and pre-final year BTech. students attended the lecture.