G R TECH
280/1, Block A, Jessore Road, Bangur Avenue, , Kolkata - 700055, West Bengal, India
14/2 purbachal kalitala link road, , Kolkata - 700078, West Bengal, India
A/141, Ramkrishna Nagar, , Kolkata - 700084, West Bengal, India
Naya Patty Main Road Nayapatti Bazar, , Kolkata - 700102, West Bengal, India
17, Ashutosh mukherjee road, Lala Lajpat Rai Sarani, , Kolkata - 700020, West Bengal, India
3/1, Gobinda Chandra Khatik Road, , Kolkata - 700046, West Bengal, India