Suman Radio & Electric Corporation
No. 7, Mukhram Kanoria Road
Howrah- 711101, West Bengal (India)
Shiva & Co.
No. 65, Bonbihari Bose Road
Howrah- 711101, West Bengal (India)
E. S. Telecom
Eksara
Howrah- 711114, West Bengal (India)
Binda Telecom Service
No. 68, Arbindo Road, Salkia
Howrah- 711101, West Bengal (India)
Tirthadip
Village P. O.-amta
Howrah- 711401, West Bengal (India)