Hindtech Engineering Company
No. 38/1- E/2, Kashinath Dutta Road Cossipore
Kolkata- 700036, West Bengal (India)
Eastern Tools (India)
Suite 53, 67/B, N. S. Road
Kolkata- 700001, West Bengal (India)
East India Technical Institution
Vill. P.O.-Uchalan
Bardhaman- 713427, West Bengal (India)