1963-65 Economics professor at Panjab University, Chandigarh
1969-71 Taught international trade at Delhi School of Economics
1972-76 Chief economic advisor in the finance ministry
1982-85 Governor, RBI
1985-87 Deputy chairman, Planning Commission
1987-90 Secretary general and commissioner, South Commission
1990-91 Advisor to PM
1991-96 Finance minister
1996-2004 Rajya Sabha member
May 2004 Prime minister