(A) Worked as a part time lecturer at SOMAAS, Jiwaji University from 11th August,1984 to 30th April 1985 and then from 10th December, 1985 to 10th February, 1986. (B) Worked as Junior Research Fellow in the UGC project of Dr. V.P. Saxena from 11th Feb. 1986 to 10th Feb.1988 and as a Senior Research Fellow from 11th Feb., 1988 to 20th Dec., 1988. (C) Joined as a Lecturer in mathematics at School of Mathematics & Allied Sciences, Jiwaji University, Gwalior from 21st December 1988 and granted Senior Scale (3000-5000) in Dec.’94 and worked till 31st Oct, 1991. (D) Worked as Assistant Professor (Reader) in the Scale of (3700-5700 unrevised & 12000-20000 revised) at Department of Mathematics & Computer Applications, Maulana Azad College of Technology(Regional Engineering College) Bhopal from 1st Nov., 1994 to 10th July 2000. Again joined as Assistant Professor on 5th May 2001 and continued till 20th march, 2003. (E) Worked as Associate Professor of Information Technology at Management Development Institute Gurgaon from 11th July2000 to 14th May 2001 on basic salary 17, 750/- per month in the scale of 16, 400 to 20, 000/- (F) Joined as Professor, Department of Mathematics, MANIT, Bhopal since 21st March, 2003. Working as Head of the Department since Jan, 2005.