Quantum Engineering Private Limited
No. 171C/2, Rashbehari Avenue
Kolkata- 700019, West Bengal (India)
Dr. Sankar Bhattacharyya
No. 11, Sarda Park, Garia
Kolkata- 700084, West Bengal (India)
Texas Resources Private Limited
1C, Love Lock Place Ballygaunge Circular Road.
Kolkata- 700019, West Bengal (India)
K Ray And Company
No. 4, Ripon Street, 2nd Floor
Kolkata- 700016, West Bengal (India)
Krishna Infotech
Saltlake City, Bj-152. Sector-Ii
Kolkata- 700091, West Bengal (India)
KEIP
Business Tower 206, AJC Bose Road
Kolkata- 700017, West Bengal (India)