Weight Loss & Bariatric Surgery Knowledge Centre
Lasting weight loss and metabolic health through safe, proven bariatric surgery — sleeve, bypass, mini-bypass and more, explained by Dr. Avinash Tank.
Treatment Options
A complete, personalised weight-loss programme — surgery where needed, plus nutrition, medical and lifestyle support for lasting results.
Learn more 02 Bariatric SurgerySurgical weight-loss procedures that reduce stomach capacity and reset metabolism — proven for severe obesity and its complications.
Learn more 03 Sleeve GastrectomyA laparoscopic procedure that converts the stomach into a slim sleeve — reducing hunger and food intake for steady weight loss.
Learn more 04 Gastric BypassA bariatric procedure that reroutes the digestive tract for strong weight loss and excellent control of diabetes and reflux.
Learn more 05 MinibypassA simpler, single-join version of gastric bypass — effective weight loss and metabolic benefit with a shorter operation.
Learn more 06 Gastric BalloonA soft balloon placed in the stomach by endoscopy to reduce appetite and kick-start weight loss — non-surgical and reversible.
Learn more 07 Scarless SurgeryAdvanced minimally-invasive techniques that leave little or no visible scar — for cosmetic peace of mind alongside great outcomes.
Learn more 08 DNA DietA genetics-guided nutrition plan that matches diet and lifestyle to your DNA for smarter, more sustainable weight management.
Learn moreWhat this centre covers
Bariatric (weight-loss) surgery is the most effective, lasting treatment for severe obesity — and it often reverses type-2 diabetes, blood pressure and sleep apnoea too. This centre explains every option in plain language so you can choose the right path with confidence.
Common symptoms to watch for
Diet and willpower alone rarely fix severe obesity because the body defends its weight. Bariatric surgery changes the hormonal signals that drive hunger and metabolism — which is why it delivers durable results when done well and supported properly.
BMI over 32–35 with health issues
Type-2 diabetes or pre-diabetes
High blood pressure
Sleep apnoea / snoring
Acidity & joint pain from weight
Fatty liver
Failed diets & weight regain
Wanting lasting change
Diagnosis & Our Approach
Health, BMI and metabolic work-up to confirm you are a candidate.
Sleeve, bypass or mini-bypass matched to your body and goals.
Minimally invasive, short hospital stay, fast recovery.
Diet, nutrition and follow-up so results last.
Procedures We Offer
The most common, effective laparoscopic weight-loss surgery.
Powerful for diabetes and severe obesity.
Simpler bypass with excellent results.
Non-surgical option for selected patients.
Advanced minimal-scar techniques.
Personalised nutrition guidance.
Dr. Avinash Tank, MBBS · MS (General Surgery) · MCh (Surgical Gastroenterology, SGPGIMS)
MCh super-specialist with laparoscopic bariatric expertise
Support & guidance
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Visiting consultations near you
Dr. Avinash Tank holds visiting consultations across Gujarat & Rajasthan, with advanced surgery at the main centre, Dwarika Hospital, Ahmedabad.
No matching city — browse all locations.
Frequently asked questions
In experienced hands laparoscopic bariatric surgery is very safe, with a short stay and quick recovery.
With the right procedure and follow-up support, results are durable. Long-term habits matter and we guide you throughout.
Many patients see type-2 diabetes go into remission after surgery — sometimes within days.
Usually a BMI above 32–35 with weight-related health problems. Book an assessment to be sure.
Still unsure what this means for you?
A short, honest self-check can point you in the right direction — or book straight in for a clear opinion from Dr. Avinash Tank.