Tata Elxsi Limited
Kanak Bhawan, Second Floor, Nahan Road Beachity (opposite J. K. Paul Lane), Durgapur
Durgapur- 713213, West Bengal (India)
Noor Infotech
No. 13/H/5, Braunfeld Row Near Mominpore Bus Stop
Kolkata- 700027, West Bengal (India)
R S E Solutions
No. 64 A, Lake View Road
Kolkata- 700029, West Bengal (India)