Venture Telekom Systems
No. 26/5B, Ballygunge Circular Road
Kolkata- 700019, West Bengal (India)
Techno Cratz
AQ- 13/ 1, 4th Floor, Sector-5, Salt Lake
Kolkata- 700002, West Bengal (India)
Rajprotim Agencies Private Limited
49/89 Pgm Shah Road, Golf Gardens
Kolkata- 700033, West Bengal (India)
Rdso
Director (I&L)/RDSO, 3, Koilaghat Street,
Kolkata- 700001, West Bengal (India)