• National Seminar on Ganga Pollution; June, 1985 (Gurukul Kangri Vishwavidyalaya, Hardwar); Proceedings (1986) 49 - 56.

• National Seminar on Ganga Pollution; June, 1985 (Gurukul Kangri Vishwavidyalaya, Hardwar); Proceedings (1986) 35 - 42.

• Annual conference of Indian Council Of Chemists; 1981 (Agra); Abs: Phy - 19 (1981) 46.

• Annual conference of Indian Council Of Chemists; 1982 (Kashmir University, Srinagar, J & K); Abs ; 13(1982)6.

• National Symposium on recent trends on technological applications of Co-ordination compounds and Catalysis; Oct. 1986 (Jiwaji University, Gwalior); Abs. (1986) 19.

• National Conference on the relation between human values and Society; Sept. 7 - 9, 1984 (Gurkul Kangri Vishwavidyalaya, Hardwar); "Impact of science on social value (English)" ; Paper presented.

• National Conference on Challenge of Education, Nov. 9 - 10, 1985; (Gurukul Kangri University, Vishwavidyalaya); "Gurukul System of education and the new education policy" (English); Paper presented.

• North Zone Vice-Chancellor's conference; Jan. 1985 (Gurukul Kangri Vishwavidyalaya, Hardwar).

• Seminar on Adult education; June, 1985 (Gurukul Kangri Vishwavidyalaya, Hardwar); attended the sessions.

• National Conference of Philosophy; May 16 - 18, 1987 (Gurukul Kangri University, Hardwar).

• Annual Conference of Vijnan Parishad of India; March 10 -11, 1989; (Gurukul Kangri Vishwavidyalaya, Hardwar).

• Workshop on Educational reforms; July 26 -17, 1984 (Gurukul Kangri Vishwavidyalaya, Hardwar).

• Annual Conference of ICC; Dec. 1986 (Madurai Kamraj University, Madurai); Abs. PP-11(1986) 132.

• Annual Conference of ICC; Oct. 24 - 26, 1988 (S.V. University, Tirupati); Abs. AP - 11(1988) 33.

• Vigyan Shabdavali Karyashala; May 3 - 5, 1991; Gurukul Kangri Vishwavidyalaya, Haridwar; Vaigyanic Evam Takneeki Shabdavali Aayog, Ministry of Human Resources Development, New Delhi.

• XV Annual Conference of ICC; Oct. 24 - 26, 1996 (B.S.A.M. University, Aurangabad); Abs. PP - 1 (1996) 100.

• XVI Annual Conference of ICC; 1997 (Mangalore University, Mangalore); Abs. AP-2(1997) 187.

• Annual Conference of ICC; 1997 (Mangalore University, Mangalore); Abs. PO - 102 (1997) 142.

• XVII Annual conference of ICC; Nov. 26 - 28, 1998 (Madras University, Chennai), Abs. PP -1 (1998) 118.

• XVII Annual conference of ICC; Nov. 26 - 28, 1998 (Madras University, Chennai), Abs. PP -2 (1998) 118.

• 64th IMS conference (19th Dec. - 22 Dec., 1998), Gurukul Kangri Vishwavidyalaya (Convener, technical session committee).

• Symposium on traditions of Vedic mathematics and application (19th Dec. - 22 Dec., 1998), Gurukul Kangri Vishwavidyalaya (Convener, technical session committee).

• International conference on History of Mathematics (16 Dec. - 19 Dec., 1999), Gurukul Kangri Vishwavidyalaya (Convener, technical session committee).

• XVIII IACS International Conference on Canadian Studies; Recent trends and future directions, 24-28 Feb., 2002, Gurukul Kangri Vishwavidyalaya (Convener, Registration and Accommodation committee).

• National seminar on History of Mathematical sciences and applicable Mathematics. (07.03.2003 to 09.03.2003), Gurukul Kangri Vishwavidyalaya, Haridwar, (Member, Organizing Committee).

• 37th Annual Convention of Chemists; Nov. 15 - 18, 2000 (Gurukul Kangri Vishwavidyalaya), Abs. PHY (OP) -55 (2000) B 10 (Organizing Secretary).

• 37th Annual Convention of Chemists; Nov. 15 - 18, 2000 (Gurukul Kangri Vishwavidyalaya), Abs. PHY(OP) -54 (2000) B 10; (Local Organizing Secretary, Convener - Inauguration committee and Souvenir committee, member- Reception committee, Editor- Souvenir)