Metals & Minerals Testing Laboratory
30/A, Narasingha Dutta Road
Howrah- 711101, West Bengal (India)
Shankar Engineering Works
P-162, Benaras Road, Biradingi
Howrah- 711401, West Bengal (India)
30/A, Narasingha Dutta Road
Howrah- 711101, West Bengal (India)
P-162, Benaras Road, Biradingi
Howrah- 711401, West Bengal (India)