Rockwell Engineering Co. Private Limited
No. 33/1, N. S. Road, Marshall House, Ground Floor, Room No. 33
Kolkata- 700001, West Bengal (India)
Alextra Pharmaceuticals
No. 5/A/14, S K Bose Road, Budge Budge, Landmark- Debu Ghosh Flat
Kolkata- 700137, West Bengal (India)