4th Floor, Tower 1, Infinity Building, Plot A3, Block Gp, Sector 5, Salt Lake City, Sech Bhawan, , Kolkata - 700091, West Bengal, India
410, Ground Floor, R N Guha Road, Motijhil, , Kolkata - 700074, West Bengal, India
25 B, , Kolkata - 700016, West Bengal, India
1/1, B M Birla Heart Research Centre, National Library Avenue, , Kolkata - 700027, West Bengal, India
146, Sahid Binoy Bose Road, Bansdroni, , Kolkata - 700070, West Bengal, India