1. Assistant Professor – from 17.02.1986 to 27.08.1998.
2. Reader – from 28.08.1998 to 26.04.2005 in Govt. College.
3. Having two years Post Graduate Teaching Experience in Central University.

1. Worked as Principal, Fakir Chand College, Diamond Harbour, South 24 parganas from 27.04.2005 to 7th February, 2016.
2. Working as Principal Syamaprosad College from 8th February 2016 till date.
3. Working as Chairman, West Bengal Central School Service Commission since 16th January, 2014. Also performing the additional responsibility of Chairman West Bengal Regional School Service Commission, Southern Region from 19.02.2014.
4. Member, Calcutta University, Syndicate from 2013 till date.
5. Member, Calcutta University, Senate from 2017 till date.
6. Member, Court of SKB University.
7. Member, Standing Committee of Calcutta University.
8. Member, Finance Committee of Calcutta University.
9. President Governing Body of Deshbandhu College for Girls.
10. President Governing Body of Sadhan Chandra Mahavidyalaya.
11. Member Governing Body & Finance Committee of Jogesh Chandra Chaudhury Law College.
12. Member Governing Body & Finance Committee of Asutosh College.

1. One paper in International Journal.
2. Two papers in National Journal

1. Survey & Status of medicinal and aromatic plants of South 24- Parganas including Sundarban.
2. Written an article in book Published by University of Calcutta on “Sundarbaner Artho-Samajik Unnyan O Poribesh”
3. Written an article on “Swami Vivekananda and Science” in a book published by Tamralipto Mahavidyalaya.