35a, Topsia road south, , Kolkata - 700046, West Bengal, India
LAL Bazar Street, Kolkata, Hare Street, , Kolkata - 700001, West Bengal, India
107, Santoshpur Avenue, , Kolkata - 700075, West Bengal, India
S.S.Laboratorie Building, 34, Justics Manmatha Mukherjee Road, , Kolkata - 700009, West Bengal, India
131/6, B T Road, ISI, , Kolkata - 700108, West Bengal, India