Analysis of information sources in references of the Wikipedia article "ராகுல் போஸ்" in Tamil language version.
Bose shared that he is also part Punjabi. "My mother is a half Marathi and half Punjabi, so I grew up with a mix of Bengali, Punjabi and Marathi culture."
Shankarrao Pandurang Patil Thorat (incidentally, the maternal grandfather of actor Rahul Bose)