S.N. Das Engineering Company Privatre Limited
No. 1, Sitalamata Lane, Noapara
Kolkata- 700090, West Bengal (India)
Glorious Engineer
No. 2, Deshbandhu Nagar, Station Road, Third Floor, Above Central Bank
Kolkata- 700110, West Bengal (India)
Nirvana
No. 43/44, Dr. M. D. Samim Khan Road Belurmath
Howrah- 711202, West Bengal (India)