Computer India
No. 5, Khairu Place
Kolkata- 700072, West Bengal (India)
Computer Technology Services
88/12, Bhattacharjee Para Road
Kolkata- 700063, West Bengal (India)
Allied Systems
3/132, Suchetanagar, Kasba, Haltu Nandibagan
Kolkata- 700078, West Bengal (India)