Mohendra Lal Dutt
47/3B, Gariahat Road, Near Ballygunge Mall
Kolkata- 700019, West Bengal (India)
Engineers Udyog
No. 3, Burtolla Street
Kolkata- 700007, West Bengal (India)
Narang Traders
No. 13, Noormal Lohia Lane, 2nd Floor, Room No. 60/1
Kolkata- 700007, West Bengal (India)