P-43, Oxygen House, Taratala Road,, Kolkata - 700088, West Bengal, India
16-b, Lake View Road,, Kolkata - 700029, West Bengal, India
703-a, Block 'p', New Alipore,, Kolkata - 700053, West Bengal, India
Plot J-6, Block-ep, Sector-v, Salt Lake Electronics Complex,, Kolkata - 700091, West Bengal, India
No.- 8, Parsee Church Street, Dist.- Kasba,, Kolkata - 700001, West Bengal, India