Wikimedi'Òc

Biswatosh Sengupta - Kolkata 2018-05-26 2713.JPG - Gangulybiswarup

Biswatosh Sengupta - Kolkata 2018-05-26 2716.JPG - Gangulybiswarup

Biswatosh Sengupta Addresses - 7th Benu Sen Memorial Lecture - Kolkata 2018-05-26 0776.JPG - Gangulybiswarup

Biswatosh Sengupta Addresses - 7th Benu Sen Memorial Lecture - Kolkata 2018-05-26 2811.JPG - Gangulybiswarup

Biswatosh Sengupta Greets Mrinal Gupta 7th Benu Sen Memorial Lecture - Kolkata 2018-05-26 0769.JPG - Gangulybiswarup