C/o Avenue Clinical Laboratory Pvt Ltd, 69, 1st Floor, Chowringhee Road, Lala Lajpat Rai Sarani, , Kolkata - 700020, West Bengal, India
C/O Welkin Medicare, Garia Station Road, , Kolkata - 700084, West Bengal, India
1/1, B M Birla Heart Research Centre, National Library Avenue, , Kolkata - 700027, West Bengal, India
1/1/7, N.b. Street, , Kolkata - 700026, West Bengal, India
12, Jadunath Dey Road, Bowbazar, , Kolkata - 700012, West Bengal, India
16 A, Prannath Pandit Street, Bhawanipur, , Kolkata - 700025, West Bengal, India