Otto Projects Private Limited
4, Bishop Lefroy Road, Calcutta Mansion (1st Floor)
Kolkata- 700020, West Bengal (India)
Indian Toxic Treatment
11/A, Jodu Colony, Behala
Kolkata- 700034, West Bengal (India)
Steelbeez
Malancha, Kharagpur
Kharagpur- 721304, West Bengal (India)
SCME Projects Private Limited
Pubali, Opposite Bengal Engg College, SSB Sarani, Plot No. 01, 1st Floor, Sector 2A, Bidhannagar
Durgapur- 713212, West Bengal (India)