125, Anurag Building, 2nd Floor, Rashbehari Avenue (Near Deshapriya Park), , Kolkata - 700029, West Bengal, India
42, YMCA Willington Branch Bulding, S N Banerjee Road, , Kolkata - 700014, West Bengal, India
171, Deshpran Shasmal Road, , Kolkata - 700033, West Bengal, India
C/O B M Birla Heart Research Centre, 1/1, , Kolkata - 700001, West Bengal, India
SHANTINIKETAN APARTMENT, SUBHAS PALLY, , Kolkata - 700129, West Bengal, India