Shop No: 33, Park Mansion, 57 A, Park Street, Kolkata - 700016
Phone: 033 - 22178923, 64570843
Website: www.gkboptical.com
City Centre, Shop No C0004, Ground Floor, Block C, New Town, Action Area II-D, P.O.- Hatiara, Rajarhat, Kolkata - 700157
Phone: 033 - 64990631, 40620078
Website: www.gkboptical.com