P-37, India Exchange Place,, Kolkata - 700001, West Bengal, India
No. 104, Old China Bazar Street, 1st Floor,, Kolkata - 700001, West Bengal, India
40, Room No. 60, Main Road, Strand Road,, Kolkata - 700001, West Bengal, India
P-62/1, Karl Marx Sarani, (near Hide Road Stop, Opp. Kali Mandir),, Kolkata - 700043, West Bengal, India
Infinity Think Tank, Tower-ii, 1st Floor, Unit -201, Block Gp, Plot A3, Sector-v, Salt Lake,, Kolkata - 700043, West Bengal, India