Chakundi, P. O., Dankuni Coal Complex,, Kolkata - 712310, West Bengal, India
121/4/y, 2nd Floor, Maniktala Main Road, Ghoshbagan Lane,, Kolkata - 700054, West Bengal, India
1/1, Meredith Street, Princep Street,, Kolkata - 700072, West Bengal, India
C-15, Survey Park,, Kolkata - 700075, West Bengal, India