• Compulsory Rotatory Internship : 1969-70 – Government General Hospital,
• Kakinada, Andhra University, India 1972-1983 - Senior House Officer - Bolton Royal Infirmary, Bolton Lancashire.
• Senior House Officer- District General Hospital, Barnsley, South Yorkshire.
• Registrar and locum Consultant – Halifax Royal Infirmary and General Hospital alifax, West Yorkshire.
• Working in Apollo Hospitals since last Assignment

• Association of Surgeons of India
• Indian Society of Gastroenterology
• Association of Surgical Gastroenterology
• Association of Gastro Endosurgeons (IAGES)
• Indian Society of HBP
• Indian Medical Assocation
• Fellow of the Royal College of Surgeons, Edinburgh
• Fellow of the American College of Gastroenterology
• International Hepato-Biliary-Pancreatic Surgery
• Society of Laparoendoscopic Surgeons.
• Member – Apollo Hospitals Audit and Disciplinary Committee
• Society of Laparoendoscopic Surgeons.
• Obesity Surgery Society of India MEMBERSHIP IN SOCIAL CLUBS Madras Gymkhana Club since 1985 Apollo Consultants Club 1990 Madras Club 2005

• Established GI unit in Apollo Hospitals, Chennai, India
• Established an Advanced Laparoscopic Unit at Apollo Hospitals, Chennai,India
• Award Received for completion of 25 years service at Apollo Hospitals, Chennai,India
• rained 130 Surgeons in GI and Laparoscopic Surgery.
• Overseas Tutor for Royal College of Surgeons, Edinburgh - 1995
• Executive Committee Member ,Indian Association of Gastro Endo Surgeons 1998- 2002
• Dr.R. Nanjunda Rao- Endowment Oration at Madras Medical College,Chennai 1995 (Gold Medal) 8.Dr. Rangarajan Endowment lecture at Raja Muthuiah Medical College, Chidambaram, Annamalai University 1998 .
• Dr. B. Shanmugeswarao Memorial Oration,AndhraPradesh Chapter of ASI,Hyderabad 2006 (Gold Medal)
• Dr. Karimulla Endowment Oration,Indian Medical Association ,Nellore,AP 2008 (Gold medal)
• Course Director – Ethicon Institute of Endo Surgery Chennai,India
• Faculty - Indian Institute of Laparoscopic Surgery – Coimbatore, India.
• Examiner - Fellowship in Minimal Access Surgery, National Boards, Ministry of Health, Government of India - 2005 and 2006.
• Examiner - Fellowship – Indian Association of Gastro Endo Surgeons - 2005
• Examiner – Fellowship – Association of Minimal Access Surgeons of India – 2005

International:

• Intraperitoneal bleeding due to primary splenic pregnancy - British Journal of Surgery, Volume 70, Issue 9, page 564, September 1983
• Laparoscopic Removal of an Artery Forceps – Journal of the Society of Laparoscopic Surgeons- Sept 2003 Vol 7 No:3
• Torsion of the Gall Bladder – Laparoscopic Cholecystectomy - Journal of the Society of Laparoscopic Surgeons -2005,9(2):238-240
• Left sided gall bladder – sinistroposition - Journal of the Society of Laparoscopic Surgeons – 2005, 9:356-357
• Transfascial suture hernia: a rare form of recurrence after laparoscopic ventral hernia repair - Journal of Laparoendoscopic & Advanced Surgical Techniques- Volume 20, Number 9, 2010, 753-55.]
• Symptomatic'H' type duplex gall bladder:A case report - Journal of the society of Laparoscopic Surgeons - Vol.14,Number 4, 2011

National:

• Hepatic Cystadenoma – A Diagnostic Challenge - Published in Apollo Proceedings Laparoscoic Distal Pancreatectomy for Papillary Cystic Neoplasm
• Published in Apollo Proceedings Single port access cholecystectomy: The initial learning curve - Apollo Medicine Vol.7 No.2, June 2010
• Foregut duplication cyst of stomach mimicking as left adrenal retroperitoneal cyst - Apollo Medicine Vol.7 No.2, June 2010
• Laparoscopic Nissen Fundoplication in Situs Inversus Totalis :technical and ergonomic issues - Journal of Minimal access surgery October - Dec. 2010;6:116-18
• Left lobe liver resection for Cholangio Hepatitis – Accepted for publication in Tropical Gastroenterology in 2012.