- Acting Convenor, D.P.G.C. (Maths.) from May 1979 to Sept. 1979.
- Convenor, D.P.G.C. (Maths.) from Oct. 1979 to Sept. 1980.
- Chairman, House Allotment Committee II from July 86 to July 88.
- Convenor, D.P.G.C. (Maths.) from Oct. 1989 to Sept. 1990.
- Convenor, D.P.G.C. (Maths.) from Oct. 1994 to Sept. 1995.
- Head, Department of Mathematics from Jan. 2001 to Dec. 2002.
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