10 B, Plot No 45, East Topsia Road, Govinda Khatick Road, , Kolkata - 700046, West Bengal, India
9, B T Road, Chiriamore, , Kolkata - 700120, West Bengal, India
C/O B M Birla Heart Research Centre, 1/1, , Kolkata - 700001, West Bengal, India
736 & 740, Lake Town, , Kolkata - 700089, West Bengal, India
52, Purna Chandra Mitra Lane, , Kolkata - 700033, West Bengal, India