1. National Seminar on Recent Trends in Environmental Science & Its Application and Ist Annual Conference of Society of Environment Health & Risk Assessment (SEHRA) Assam (Sponsored by UGC) at M.C. College Barpeta from 5th – 6th October, 1996 and presented a paper.
2. Assam Science Society , Annual Technical Session-1996 Organised by Assam Science Society, Jorhat Branch, December 21,1996 at Jorhat regional Research Laboratory, Jorhat, Assam, India.
3. National level Seminar On Science Awareness And Popularization organized by Indian Science Congress Association in Association with Indian Institute Of Engineers (India), Assam State Congress, Guwahati and Guwahati Chapter of the Indian Science Congress Association held on March 17th -2003.
4. Advance Technique Refresher Course Helping Hoolock Gibbon Hang On / teachers for Tiger held at Guwahati from 29-30 October, 2007. Organized by ZOO, WILD in collaboration with WWT, CEE (NE), Assam Forest Department, SANIZE Sponsored by US Fish and Wildlife Service, Great Ape Conservation Fund, Wildlife Conservation Society, USA.
5. 19th All India Congress of Zoology ; National Zoology Congress Seminar on the Local theme “Biodiversity & Human Welfare” held at Department of Zoology, Gauhati University, Guwahati from 29th to 31st December, 2008.
6. ‘Traditional Knowledge and Sustainable Use of Locally Available Medicinal Plants by the People of Assam’ at Northeast Green Summit, 2021 organised By National Institute of Technology, Silchar and Vibgyour NE Foundation, at NIT, Silchar, 16-18 November, 2021.