International Medicinal mushroom Conference 5, Nantong, China, 4-8 September, 2009.

IInd Chinese mushroom Days & Asian Forum on Edible mushroom Quality Standards & International Trade, Zhanzhou, China, Nov. 19-23, 2008, presentation of invited lecture from India.

International Conference on mushroom Biology & mushroom Products, Bonn, Germany, Sept. 29-Oct. 3, 2008 for presentation of plenary lecture.

FAO sponsored workshop on mushroom Networking the Asia Pacific (MAP-FAO-UN) at Genting Highland, Malaysia from 14-18 July, 2002 as a designated representations from India.

FAO sponsored workshop on Diversity, Conservation and Utilization of mushroom Genetic Resources in Asia Pacific Region, Sydeny, Australia - 12-16 Oct., 1999.

FAO-UNDP sponsored Conference on TCDC at Hongkong on 27th August, 1993 at Chinese University of Hongkong, Hongkong.

FAO-UNDP sponsored Conference on TCDC at New Delhi from 7-11 Oct., 1991.

3rd International Conference on mushroom Biology and mushroom Products, Sydney, Australia, 12-16 Oct., 1999.

13th International Congress on Science and Cultivation of Edible Fungi, Oxford, UK, 17-22 Sept., 1995.

Ist International Conference on mushroom Biology and mushroom Products, Hongkong, 22-26 August, 1993.

12th International Congress on Science and Cultivation of Edible Fungi, Dublin, Ireland, 1-6 Sept., 1991.

Honoured by the International Society for mushroom Science (UK) by selecting me as 'mushroom Personality' for their Journal mushroom International (earlier ISMS Newsletter) No. 62, October, 1995: 4-5.

Honoured by American mushroom Institute by publication of my biodata/contribution to mushroom Science (by invitation) under the column Researchers Around the World in their issue of mushroom News, May, 1997: 38.

Honoured by FAO(UN) by inviting me to write a 20 pages article on "mushroom Research and Development in India - Innovative Experience" for application/dissemination of information in other developing countries by FAO/UNDP.