P 34, Nani Gopal Chowdhary Avenue, , Kolkata - 700014, West Bengal, India
8b, Garcha 1st Lane, , Kolkata - 700019, West Bengal, India
1/1, B M Birla Heart Research Centre, National Library Avenue, , Kolkata - 700027, West Bengal, India
2, Gopal Jew Mandir Road, , Kolkata - 700051, West Bengal, India
53, Jatindra Mohan Avenue, Shobhabazar, , Kolkata - 700005, West Bengal, India