Kolkata Chamber Details Kolkata Samaritan Medical Centre, Sambhunath Pandit Street. Monday (4-5 PM) Book Your Appointment Kolkata Fortis Hospital and Kidney Institute, Gariahat. Tuesday & Thursday (4-6 PM) Book Your Appointment Kolkata Samaritan Medical Centre, Sambhunath Pandit Street. Wednesday (3:30-5 PM) & Saturday (by appointment) Book Your Appointment Kolkata RG Stone Urology and Laparoscopy Hospital, Dhakuria. Tuesday & Friday (by appointment) Book Your Appointment