13-b, 2nd Floor, Ramesh Dutta Street,, Kolkata - 700006, West Bengal, India
106/b, Nataraj House, Manohar Pukur Road, Near Lansdowne Crossing,, Kolkata - 700029, West Bengal, India
53-b, Elliot Road, 3rd Floor, Room No-12,, Kolkata - 700016, West Bengal, India
C/o Dr.s.c.saha, Mathpara, Barrackpore, Near Barasat Road,, Kolkata - 700122, West Bengal, India
76, Mahatma Gandhi Road,, Kolkata - 700009, West Bengal, India