1. June 1976 to September 1976, Lecturer in Economics, Kirori Mal College, University of Delhi

2. October 1976 to November 1979, Tutor for various Cambridge Colleges like Trinity, Trinity Hall, King's, St.John's, Churchill, Gonville and Caius and Christ's

3. December 1979 to February 1983, Research Associate, Centre for Economic Studies, Presidency College, Calcutta

4. March 1982 to February 1983, Lecturer in Economics, University of Burdwan (part？time)

5. March 1983 to March 1987, Reader in Economics, Centre for the Study of East European Economies, Gokhale Institute of Politics and Economics, University of Poona

6. March 1987 to November 1993, Professor, Indian Institute of Foreign Trade, Delhi

7. Consultant, Department of Economic Affairs, Ministry of Finance, Government of India, February 1995-January 1996

8. Chief Consulting Economist (part-time), National Council of Applied Economic Research (NCAER), August 1995-July 1996

9. Consulting Editor, Business Standard, September 1995 to June 2001

10. Project Co-Ordinator, LARGE (Legal Adjustments and Reforms for Globalising the Economy), and Visiting Professor, National Law School of India, University, Bangalore, December 1993 – March 1998

11. Director, Rajiv Gandhi Institute for Contemporary Studies, Rajiv Gandhi Foundation, December 1997 to December 2005

12. Consulting Editor, Financial Express, July 2001 to November 2004

13. Member, National Commission for the Promotion of Enterprises in the Informal and Unorganized Sector, October 2004-December 2005

14. Member, National Manufacturing Competitiveness Council, November 2004 to January 2010

15. Secretary General, PHD Chamber of Commerce and Industry, December 2005 to November 2007

16. Contributing Editor, Indian Express, 1 January 2007 to March 2011

17. Professor, International Management Institute, January 2007 to January 2010

18. Research Professor, Centre for Policy Research, April 2007 to January 2015

19. Visiting Senior Research Fellow, Institute for South Asian Studies, National University of Singapore, May 2008 to May 2009

20. Visiting Honorary Senior Research Fellow, Institute for South Asian Studies, National University of Singapore, May 2009 to January 2015

21. Chairman, Chief Minister’s Committee for the Development of Jharkhand, 1 November 2010 to April 2012

22. Contributing Editor, The Economic Times, May 2011 to January 2015

23. Member, Chief Minister’s Economic Advisory Council, Rajasthan, June 2014 onwards

24. Chairman, High Powered Committee for Restructuring the Railways, September 2014 onwards

25. Member, Niti Aayog, January 2015 onwards