Conference/symposium attended /participated

•	73rd session of Indian Science Congress held in Delhi from Jan 3-8, 1986.

•	Second symposium on Insects and environment organized by Department of Zoology, University of Delhi, Feb 13-14, 1987.

•	National workshop on Himalayan Ecology organized by St. John College, Agra. .Sept., 26-30, 1989 at Manali, H.P

•	77th session of Indian Science Congress held in Cochin 1990.

•	‘XIX  International Congress of Entomology, held at Beijing, China. 28th June – 4th July 1992.

•	‘XX International Congress of Entomology, held at Florence, Italy. 25th Aug to 31st Aug, 1996.

•	‘XXII International Congress of Entomology, held at Brisbane, Australia. 15th Aug to 21st Aug, 2004.

•	XXIII International Congress of Entomology, held at Durban, South Africa. 6th Aug to 12st July, 2008.