• Reader, University of Roorkee (1964-1969);
• Associate Professor, University of Roorkee (1970-1975);
• Professor, Indian Institute of Technology, Kanpur (1976-till date)
• Chairman, Senate Undergraduate Committee (IITK) for two consecutive terms
• Chairman, Senate Postgraduate Committee (IITK) for one term
• Chairman Rules Committee (IITK) for one term
• Chairman, Senate Library Committee (IITK) for one term