| Organized various film and media-related programs at the Kolkata International Film Festival from 1997 to 2005. |
| Served as Vice President of the All India Tennis Association. |
| Critically vocal against Prime Minister Narendra Modi's administration. |
| Significantly contributed to the management of the Kolkata Book Fair. |
| Led Indian delegations to UN bodies like UNESCO and global forums. |
| Active member of several prestigious cultural institutions. |
| Described by Prime Minister Dr. Manmohan Singh as a distinguished and knowledgeable civil servant. |
| Presented lectures at multiple renowned international universities. |
| Former Vice-President of the Indian Lawn Tennis Association from 2010 to 2013. |
| Held a Trustee Member position at the Public Service Broadcasting Trust from 2012 to 2016. |
| Published various articles and papers on historical and cultural subjects. |
| Resigned from CEO of Prasar Bharati in opposition to NDA government policies in 2016. |
| Delivered the First Jamshed Bhaba Memorial Lecture in 2019. |
| Co-authored books on Hindu identity and Bengali festivals. |
| Resigned from Rajya Sabha due to dissatisfaction with the handling of R.G. Kar rape-murder incident. |
| Oversaw international broadcasting conferences across various countries. |