4, Behind- Collage, Duff Lane,, Kolkata - 700006, West Bengal, India
Ge- 22, Rajdanga Main Road,, Kolkata - 700107, West Bengal, India
13-b, 2nd Floor, Ramesh Dutta Street,, Kolkata - 700006, West Bengal, India
Plot No. 841, P-block, New Alipore,, Kolkata - 700053, West Bengal, India
C/o Dr.s.c.saha, Mathpara, Barrackpore, Near Barasat Road,, Kolkata - 700122, West Bengal, India