A. K. SYSTEM ENGINEERS PVT. LTD.
P-118, Block A, Mollar Gate, Santoshpur Govt. Colony,, Kolkata - 700142, West Bengal, India
35, Ezra Street,, Kolkata - 700001, West Bengal, India
B-290, Lake Gardens, Near Street Road,, Kolkata - 700045, West Bengal, India
15 B, Hemanta Basu Sarani,, Kolkata - 700001, West Bengal, India
Chandan Niketan, 5th Floor 52a Shakespeare Sarani,, Kolkata - 700017, West Bengal, India
33-a, J.l. Nehru Road, Chatterjee International, 11th Floor, Suit 10,, Kolkata - 700071, West Bengal, India