Nav Durga Chromatics Pvt. Ltd.
Jiwan Niwas, 30 A, New Alipore, Block-'R', Flat A-5, 2nd Floor,
Kolkata- 700053, West Bengal (India)
Indo-Riv International
No. 54, Shibnath Shastri Sarani, No. 38, Block B 3rd Floor, New Alipore
Kolkata- 700053, West Bengal (India)