Sigma Web Solution Private Limited
BD-80, Sector 1, Salt Lake City
Kolkata- 700064, West Bengal (India)
Unified Infotech Private Limited
WEBEL STP-II Building, 1st Floor Block, DN, Plot No. 53, Sector V, Salt Lake
Kolkata- 700091, West Bengal (India)
Globsyn Infotech
Xi -11 & 12, Block-Ep, Sector-V, Salt Lake Electronics Complex,
Kolkata- 700091, West Bengal (India)