| 1. Organized various film and media-related programs at the Kolkata International Film Festival from 1997 to 2005. |
| 2. Served as Vice President of the All India Tennis Association. |
| 3. Critically vocal against Prime Minister Narendra Modi's administration. |
| 4. Significantly contributed to the management of the Kolkata Book Fair. |
| 5. Led Indian delegations to UN bodies like UNESCO and global forums. |
| 6. Active member of several prestigious cultural institutions. |
| 7. Described by Prime Minister Dr. Manmohan Singh as a distinguished and knowledgeable civil servant. |
| 8. Presented lectures at multiple renowned international universities. |
| 9. Former Vice-President of the Indian Lawn Tennis Association from 2010 to 2013. |
| 10. Held a Trustee Member position at the Public Service Broadcasting Trust from 2012 to 2016. |
| 11. Published various articles and papers on historical and cultural subjects. |
| 12. Resigned from CEO of Prasar Bharati in opposition to NDA government policies in 2016. |
| 13. Delivered the First Jamshed Bhaba Memorial Lecture in 2019. |
| 14. Co-authored books on Hindu identity and Bengali festivals. |
| 15. Resigned from Rajya Sabha due to dissatisfaction with the handling of R.G. Kar rape-murder incident. |
| 16. Oversaw international broadcasting conferences across various countries. |
| 17. Elected as the first non-academic Chairman of the Centre for Studies in Social Sciences, Calcutta in 2017. |
| 18. Introduced policy reforms in cultural administration as Secretary, Ministry of Culture (2008-2012), including worldwide celebrations of the 150th anniversaries of Swami Vivekananda and Rabindranath Tagore. |
| 19. Served as the first Additional Secretary & Development Commissioner for MSMEs, Government of India. |
| 20. Served two terms as Principal Secretary in charge of Education and Commerce and Industries in West Bengal. |
