Dr. Sabyasachi Bal , MS (AIIMS),DNB, FRCS Director & Team Leader, Thoracic Surgery and Thoracic Surgical Oncology Sir Ganga Ram Hospital Opd F-85 Office 2328 3rd Floor Sarhadi Gandhi Marg, near Bal Bharati Public School, Old Rajinder Nagar, Rajinder Nagar, New Delhi, Delhi 110060 New Delhi 110070 Phone: 9711401116 E-mail : chestsurgerydelhi@gmail.com