C/O Priyamvada Birla Aravind Eye Hospital, 10, Loudon Street, , Kolkata - 700017, West Bengal, India
5, Netaji Subhas Chandra Bose Road, , Kolkata - 700040, West Bengal, India
68/113A Jessore Road, Dum Dum Road, Motijhil, , Kolkata - 700074, West Bengal, India
56, Chowringhee Road, , Kolkata - 700020, West Bengal, India
C/o Avenue Clinical Laboratory Pvt Ltd, 69, 1st Floor, Chowringhee Road, Lala Lajpat Rai Sarani, , Kolkata - 700020, West Bengal, India