Tantuja Bhawan, Block-dd, 18\4, Sector-1, Salt Lake City,, Kolkata - 700064, West Bengal, India
C/o Dr.s.c.saha, Mathpara, Barrackpore, Near Barasat Road,, Kolkata - 700122, West Bengal, India
7, Tollygunge Circular Road,, Kolkata - 700053, West Bengal, India
72, Hindustan Park, Ground Floor,, Kolkata - 700029, West Bengal, India
1/b, Ram Chandra Das Row,, Kolkata - 700013, West Bengal, India