Sethi Writing Company
No. 12, Ganesh Chandra Avenue, 1st Floor
Kolkata- 700013, West Bengal (India)
Meridian Office Systems
No. 16 B, Bhim Ghosh Lane
Kolkata- 700006, West Bengal (India)
Nechams Business Systems Pvt Ltd
AA-33, Prafulla Kanan West, Kestopur V.I.P. Road
Kolkata- 700101, West Bengal (India)
Sethi Company
No. 2- A, Motilal Basak Lane
Kolkata- 700054, West Bengal (India)
Teaching Appliance Co.
No. 15, Shyama Charan Dey Street
Kolkata- 700073, West Bengal (India)