40 A, Divine Optical, Beck Bagan Row, , Kolkata - 700017, West Bengal, India
1/1, C/O B M Birla Heart Research Centre, National Library Avenue, , Kolkata - 700027, West Bengal, India
K B 4, Sector 3, Salt Lake City, , Kolkata - 700091, West Bengal, India
R C 23, Raghunathpur, Teghoria, , Kolkata - 700059, West Bengal, India
2 A, Chittaranjan Avenue, Princep Street, , Kolkata - 700072, West Bengal, India