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Opening Hours : Monday to Saturday - 8am to 9pm
  Contact : +91-11-42251742

Top Bariatric Surgeons in Delhi

Dr. Sudhir Kalhan

Dr.Sudhir Kalhan

M.S. Senior Consultant Surgeon & Co-Chairman,

Institute of Minimal Access, Metabolic & Bariatric Surgery

Sir Gangaram Hospital


E mail sudhirkalhan@gmail.com



Date Of Birth      :               22nd Jan, 1962

Nationality          :               Indian

Marital Status    :               Married , Wife Anaesthesiologist



University College of Medical Sciences,

New Delhi [1981- 86]


Rotatory Internship, Safdurjung Hospital,New Delhi   1-1-86 to 31-12-86

Junior Residency, Safdurjung Hospital,New Delhi  –  1-1-87 to 31-12-87

M.S  – Delhi University / Safdarjung Hospital  –   July 1988 to  July 1990

Senior Resident -Safdurjung Hospital, General Surgery [10-1-91 to 1-8-93]


PRACTICE IN GENERAL SURGERY        MCI Registration 5925 DMC- 4684


Presently Senior Consultant and Co-Chairman, Department of Minimal Access, Metabolic and Bariatric Surgery at Sir Ganga Ram Hospital, New Delhi.

Formerly Practiced  General  and MAS Surgery at Jeewan Mala Hospital, Dr. B L Kapur Memorial Hospital, Max Hospital , and Sita Ram Bhartia Institute of Science & Research , New Delhi.

At all these hospitals where I have practiced since 1993 we performed a wide range of Minimal Access Surgery which remains my primary area of interest.



Academic Coordinator for 2 year post doctoral fellowship programme  of Minimal Access Surgery at Sir Ganga Ram Hospital, New Delhi under the aegis of the National Board of Examinations, India.

Faculty member with Ethicon Institute of Surgical Education –Delhi for  there IAGES endorsed courses on  ‘ The Art & Science of Laparoscopic Suturing’

Regular participation as panelist ,speaker, chairperson in regional, national and international conferences in Laparoscopic surgery.

International exposure for training in Laparoscpoic surgery through simulators, CD Roms and animal labs [ Ethicon Institute at Hamburg, Germany].


Former Member Advisory Council, Max Institute of Medical Excellence.

Organising Secretary , CME on Information Technology for the Surgeons held at the India Habitat Center on 29th May 2005 and attended by over 300 surgeons.

Invited Speaker – Changing Mindsets- Conference on Metabolic Surgery for Diabetes and Morbid Obesity – Sunday  20th Jan 2008 at Fortis Hospital, Noida

Faculty  lecture on ‘ Why Bariatric Surgery’? at Fortis Hospital ,Vasant Kunj at the ASICON Symposium on Advanced Laparoscopic Surgery, April 2008.


Invited Faculty for the “ Obesity & Metabolic Summit ”, 15-16th Novemeber 2008

co organized by SGRH, Diabetes Society, OSSI and the Ministry of Family & Health,Govt.Of India.


Invited Faculty at The National conference 2009 on “ Quality Management in Hospital Operations held on Ist Nov 2009at PSK Laxmi Nagar Dist.Center,Delhi. Delivered Faculty lecture on “ Ensuring Quality in Surgical Care”.





Visited and Observed at Mt. Elizabeth Hospital, Singapore [1992]

With Dr Mohan Chellapa [My First Exposure of MAS]

Visited Chiyadu-ku, Tokyo Police Hospital , Japan

With Dr D. Hashimoto [July,1997]- Founder Member of the International Gasless Society.


Observer at Mt. Sinai Hospital , New York

With Dr. Michael Edye, Dr. Michael Gagner, Dr. Bary Salky [April,1999]

Invited to present Abstracts on Laparoscopic Surgery at the World Congress of Laparoscopic Surgery at Glasgow , Scotland June 2003.

Invited delegate with Abstract presentation at the 18th International Congress of the European Association for Endoscopic Surgery at Geneva,Switzerland,June 2011.

Invited Delegate at the International Federation for the surgery of Obesity and Metabolic Disorders- IFSO 2011- world conference held in Sept,2011 at Hamburg,Germany

Certificate Course on Sleeve Gastrectomy by Global Experts in August 2011 at Europaen Surgical Institute in Hamburg-Norderstedt,Germany

Participated as Delegate at the 29th Annual Meeting of American Society for Metabolic & Bariatric Surgery held at San Diego, California, USA, June 2012.

Invited Faculty with active participation at the IFSO 2012 World congress held in New Delhi in Sept,2012.



Practising Laparoscopy since 1992

Proficient  in independently performing

Lap. Cholecystectomy

Lap. Appendicectomy

Lap. Hernia Repair

Lap.Anti Reflux Surgery

Lap. Adrenalectomy

Lap  Splenectomy

Lap. Ectopic Management

Lap. Ovarian Cystectomy / Lap. Myomectomy

Lap. Hysterectomy

Lap. Ureterolithotomy

Lap. Colorectal Surgery

Lap. Nephrectomy

Lap. Hiatal Surgery

Lap. Cardio myotomy for Achlasia Surgery

Lap. Bariatric Surgery

Thoracoscopic Surgery



Institute of Minimal Access & Metabolic Surgery, Sir Ganga Ram Hospital is one of the pioneers in starting  the Bariatric Programme in the country. Today the center conducts a high volume of bariatric surgeries and we have follow up of over a decade. I have personally keen interest in Laparoscopic Sleeve Gastrectomy, which seems to be fast evolving as the ideal procedure for the Asian population.



  1. Prevalence of Obstructive Sleep Apnoea[OSA] in morbidly obese patients and the effect of sleeve gastrectomy on it’s severity.
  2. Evaluation of Sleeve Gastrectomy as a primary procedure for bariatric and metabolic surgery and it’s effect on the gut hormones.




Founder member Indian Association Of Gastroendoscopic Surgeons [IAGES]

Endoscopic  and Lap. Surgeons of Asia [ELSA ]

Association of Surgeons of India [ASI]

Founder member Gasless International, Tokyo

European Association of Endoscopic Surgeons [EAES]

Member – Asia Pacific Hernia Society [ APHS]

Obesity Surgery Society of India [OSSI]



  1. Surgery to simply lose weight?

Jaya Shroff Bhalla, Hindustan Times

New Delhi, July 07, 2012




  1. Obesity and the modern woman- cover page “Perfect Woman” – magazine -Jan 2013 issue




  1. Adolescent Obesity- the growing menace of affluence in our metros




4.Interview on Obesity in Aaj Tak Channel





Visit sudhirkalhan on youtube.com for video testimonials of my patients



Available at Room no F 42, Private opd ,First Floor , Sir Ganga Ram Hospital,

Rajinder Nagar,New Delhi-110060


Timings:Tuesday,Thursday & Saturday– Morning 10-12 pm & Evening 4-6pm

Monday, Wednesday& Friday by appointment


For Appointments: 011-42251742,011-42251617

Mobile: 09810067050

E mail: sudhirkalhan@gmail.com

Suviraj John
Dr. Suviraj John

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Dr. Praveen Bhatia

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Dr Mukund Khetan

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