IBM PVT. LTD.
Dlf Tower-b, 7th Floor, Seat No-113, New Town, Rajarhat,, Kolkata - 700156, West Bengal, India
Cf-209, Salt Lake City, Sector 1,, Kolkata - 700064, West Bengal, India
No 16, Rani Rashmani Road,, Kolkata - 700013, West Bengal, India
Ground Floor, Technopolis Building, Bp-4, Secotr V, Salt Lake,, Kolkata - 700091, West Bengal, India
19 Canal, South Road,, Kolkata - 700015, West Bengal, India
42/3, Dumdum Road, "sneha Bhaban", 2nd Floor,, Kolkata - 700074, West Bengal, India