14, N.s. Road, Bangur Building, 2nd Floor, P.o. Box 2211,, Kolkata - 700001, West Bengal, India
189, Bangur Avenue, Block-b,, Kolkata - 700055, West Bengal, India
161/1, Mahatma Gandhi Road, Ist Floor, Room No. 18e, Bangur Building,, Kolkata - 711102, West Bengal, India
23, 4th Floor, Abhishek Appartment, Block - 'c', Bangure Avenue,, Kolkata - 700055, West Bengal, India