Fellowship & Membership

  • FMAS
  • FAIS
  • AMASI
  • ASI
  • OSSI
  • IFSO
  • MNAMS
  • Field of Expertise

  • Bariatric & Metabolic surgery
  • Laparoscopic Hernia surgery
  • Laparoscopic Gallblabber surgery
  • Laparoscopic Upper GI surgery for Achalasia cardia
  • Hiatus Hernia & GERD
  • Laparoscopic GI surgery
  • Languages Spoken

  • English
  • Bengali
  • Hindi
  • Tamil
  • Awards & Achievements

  • Received “Best paper award (GOLD medal)” at AMASICON 2016 for presenting on Applicability of ABCD score for remission of type 2 diabetes mellitus following bariatric surgery.
  • Received “Best paper award (GOLD medal)” at AMASICON 2017 for presenting on Evolution and Standardisation of Techniques in Single-Incision Laparoscopic Bariatric Surgery.
  • Received “Best paper award” at OSSICON 2018, Chennai.
  • Talks & Publications

  • AUTHORED BOOK
  • Co-Authored the book “Clinics in Bariatric & Metabolic surgery” JAYPEE publishers, Jan 2019.
  • P. Praveen Raj, Siddhartha Bhattacharya, Shivanshu Misra, S. Saravana Kumar, Mohd. Juned Khan, Sridhar Chinnaswami Gunasekaran, C. Palanivelu. Gastro-esophageal reflux-related physiological changes following sleeve gastrectomy and Roux-en-Y gastric bypass: A prospective comparative study. Surgery for Obesity and Related Diseases, 2019 May.
  • Raj PP, Bhattacharya S, Kumar SS, Parthasarathi R, Cumar B, Palanivelu C. Morbid obesity with a ventral hernia: Is concomitant bariatric surgery with laparoscopic ventral hernia mesh repair the best approach? An experience of over 150 cases. Surgery for Obesity and Related Diseases. 2019 May
  • Raj PP, Misra S, Bhattacharya S, Kumar SS, Kumar TS, Khan MJ, Palanivelu C. Lower oesophageal peptic stricture after laparoscopic sleeve gastrectomy: World's first case report. Journal of minimal access surgery. 2019 Apr.
  • Raj PP, Bhattacharya S, Parthasarathi R, Senthilnathan P, Rajapandian S, Kumar SS, Palanivelu C. Evolution and Standardisation of Techniques in Single-Incision Laparoscopic Bariatric Surgery. Obesity Surgery. 2017 Nov 21:1-0.
  • Bhattacharya S, Kumar SS, Swamy PD, Palanivelu C, Raj PP. Deep vein thrombosis prophylaxis: Are we overdoing? An Asian survey on trends in bariatric surgery with a systematic review of the literature.
  • Raj PP, Bhattacharya S, Kumar SS, Parthasarathi R, Palanivelu C. Concomitant intraperitoneal Onlay mesh repair with endoscopic component separation and sleeve gastrectomy.
  • Praveen Raj P, Bhattacharya S, Kumar SS, Sabnis SC, Parthasarathi R, Kumara Swamy PD, Palanivelu C. Non-alcoholic steatohepatitis (NASH) and metabolic surgery in Asia. Ann Laparosc Endosc Surg 2017;2:139.
  • Praveen Raj P, Bhattacharya S, Saravana Kumar S, Sabnis SC, Parthasarathi R, Swamy PDK, Palanivelu C. Comparison of Effects of Sleeve Gastrectomy and Gastric Bypass on Lipid Profile Parameters in Indian Obese: a Case Matched Analysis. ObesSurg. 2017 Apr 28.
  • Raj PP, Bhattacharya S, Kumar SS, Sabnis SC, Parthasarathi R, Swamy PD, Palanivelu C. Do Bariatric Surgery-Related Type 2 Diabetes Remission Predictors Add Clinical Value? A Study on Asian Indian Obese Diabetics. Obesity Surgery. 2017 Feb 24:1-7.
  • Siddhartha Bhattacharya, P Praveen Raj written a chapter “Revisional surgical options after laparoscopic adjustable gastric banding” in book, “Bariatric surgical practice guide” in 2017.
  • R. Parthasarathy, Samrat V Jankar, Siddhartha Bhattacharya et al. Laparoscopic management of a rare case of recurrent presacral teratoma accepted in Jour of Min Acc Sur.
  • Bhattacharya, V., Mishra, B., Mishra Binayak., Umesh Kumar., Bhattacharya, S. Effect of Surgical Traumas on Microcirculation, Indian J.of Plastic Surgery, 42: 146-149, 2009.
  • Bhattacharya, V., Mishra, B., Barooah, P.S., Chaudhury, G.R., Bhattacharya, S. Lymphangiectasis of Lower Limb: A rare Challenging Case. Indian Journal Plastic Surgery, 42: 248-250, 2009.
  • Bhattacharya, V., Barooah, P.S., Nag, T.C., Chaudhury, G.R., Bhattacharya, S. Detail microscopic analysis of deep fascia and its surgical implication. Indian J.of Plast. Surg. 43: issue 2,135-140, 2010.
  • Bhattacharya, V., Barooah, P.S., Rawat, S., Chaudhury, G.R., Agrawal, N.K., Bhattacharya, S., Tripathi, S.K. Cadaveric Study and Clinical Application of Turnover Fascial Flap for Lower Limb Defects Accepted in Europian Journal of Plastic Surgery (USA), on 17th August 2010.
  • Suvro Ganguly, Rabi Sankar Biswas, Makhan Lal, Siddhartha Bhattacharya, Soumen Das. An unusual case of inguinal hernia: Persistent Mullerian duct syndrome with transverse testicular ectopia. Medical Case Studies Vol. 2(7), pp. 54-57, December 2011.
  • Bhattacharya, V., Shammi, P., Joshi, D., Kumar, M., Mandal.S., Chaudhury, G.R., Bhattacharya, S. Electrophysiological and Histological Analysis of Proximal Muscles in Post Burn Contractures of upper Limb, Burns, 37: issue 4, 692-697,2011.UK.
  • Bhattacharya, V., Barooah, P.S., Rawat, S., Chaudhury, G.R., Agrawal, N.K., Bhattacharya, S. Turn over split fascial flap- a refinement for resurfacing shin defects, International Journal of Burns and trauma on, Vol.2(2), 86-92, 2012,(USA).
  • Bhattacharya, V., Agrawal, N.K., Chaudhury, G.R., Srivastave, A., Bhattacharya, S. Cadaveric, CT angiographic & intraoperative evaluation of perforators in the lower limb and their reconstructive implications, Indian Journal of Plastic Surgery, Vol.45(3): 494-497, 2012.

    Languages Spoken

  • English
  • Bengali
  • Hindi
  • Tamil
  • Fellowship & Membership

  • FMAS
  • FAIS
  • AMASI
  • ASI
  • OSSI
  • IFSO
  • MNAMS
  • Field of Expertise

  • Bariatric & Metabolic surgery
  • Laparoscopic Hernia surgery
  • Laparoscopic Gallblabber surgery
  • Laparoscopic Upper GI surgery for Achalasia cardia
  • Hiatus Hernia & GERD
  • Laparoscopic GI surgery
  • Awards & Achievements

  • Received “Best paper award (GOLD medal)” at AMASICON 2016 for presenting on Applicability of ABCD score for remission of type 2 diabetes mellitus following bariatric surgery.
  • Received “Best paper award (GOLD medal)” at AMASICON 2017 for presenting on Evolution and Standardisation of Techniques in Single-Incision Laparoscopic Bariatric Surgery.
  • Received “Best paper award” at OSSICON 2018, Chennai.
  • Talks & Publications

  • AUTHORED BOOK
  • Co-Authored the book “Clinics in Bariatric & Metabolic surgery” JAYPEE publishers, Jan 2019.
  • P. Praveen Raj, Siddhartha Bhattacharya, Shivanshu Misra, S. Saravana Kumar, Mohd. Juned Khan, Sridhar Chinnaswami Gunasekaran, C. Palanivelu. Gastro-esophageal reflux-related physiological changes following sleeve gastrectomy and Roux-en-Y gastric bypass: A prospective comparative study. Surgery for Obesity and Related Diseases, 2019 May.
  • Raj PP, Bhattacharya S, Kumar SS, Parthasarathi R, Cumar B, Palanivelu C. Morbid obesity with a ventral hernia: Is concomitant bariatric surgery with laparoscopic ventral hernia mesh repair the best approach? An experience of over 150 cases. Surgery for Obesity and Related Diseases. 2019 May
  • Raj PP, Misra S, Bhattacharya S, Kumar SS, Kumar TS, Khan MJ, Palanivelu C. Lower oesophageal peptic stricture after laparoscopic sleeve gastrectomy: World's first case report. Journal of minimal access surgery. 2019 Apr.
  • Raj PP, Bhattacharya S, Parthasarathi R, Senthilnathan P, Rajapandian S, Kumar SS, Palanivelu C. Evolution and Standardisation of Techniques in Single-Incision Laparoscopic Bariatric Surgery. Obesity Surgery. 2017 Nov 21:1-0.
  • Bhattacharya S, Kumar SS, Swamy PD, Palanivelu C, Raj PP. Deep vein thrombosis prophylaxis: Are we overdoing? An Asian survey on trends in bariatric surgery with a systematic review of the literature.
  • Raj PP, Bhattacharya S, Kumar SS, Parthasarathi R, Palanivelu C. Concomitant intraperitoneal Onlay mesh repair with endoscopic component separation and sleeve gastrectomy.
  • Praveen Raj P, Bhattacharya S, Kumar SS, Sabnis SC, Parthasarathi R, Kumara Swamy PD, Palanivelu C. Non-alcoholic steatohepatitis (NASH) and metabolic surgery in Asia. Ann Laparosc Endosc Surg 2017;2:139.
  • Praveen Raj P, Bhattacharya S, Saravana Kumar S, Sabnis SC, Parthasarathi R, Swamy PDK, Palanivelu C. Comparison of Effects of Sleeve Gastrectomy and Gastric Bypass on Lipid Profile Parameters in Indian Obese: a Case Matched Analysis. ObesSurg. 2017 Apr 28.
  • Raj PP, Bhattacharya S, Kumar SS, Sabnis SC, Parthasarathi R, Swamy PD, Palanivelu C. Do Bariatric Surgery-Related Type 2 Diabetes Remission Predictors Add Clinical Value? A Study on Asian Indian Obese Diabetics. Obesity Surgery. 2017 Feb 24:1-7.
  • Siddhartha Bhattacharya, P Praveen Raj written a chapter “Revisional surgical options after laparoscopic adjustable gastric banding” in book, “Bariatric surgical practice guide” in 2017.
  • R. Parthasarathy, Samrat V Jankar, Siddhartha Bhattacharya et al. Laparoscopic management of a rare case of recurrent presacral teratoma accepted in Jour of Min Acc Sur.
  • Bhattacharya, V., Mishra, B., Mishra Binayak., Umesh Kumar., Bhattacharya, S. Effect of Surgical Traumas on Microcirculation, Indian J.of Plastic Surgery, 42: 146-149, 2009.
  • Bhattacharya, V., Mishra, B., Barooah, P.S., Chaudhury, G.R., Bhattacharya, S. Lymphangiectasis of Lower Limb: A rare Challenging Case. Indian Journal Plastic Surgery, 42: 248-250, 2009.
  • Bhattacharya, V., Barooah, P.S., Nag, T.C., Chaudhury, G.R., Bhattacharya, S. Detail microscopic analysis of deep fascia and its surgical implication. Indian J.of Plast. Surg. 43: issue 2,135-140, 2010.
  • Bhattacharya, V., Barooah, P.S., Rawat, S., Chaudhury, G.R., Agrawal, N.K., Bhattacharya, S., Tripathi, S.K. Cadaveric Study and Clinical Application of Turnover Fascial Flap for Lower Limb Defects Accepted in Europian Journal of Plastic Surgery (USA), on 17th August 2010.
  • Suvro Ganguly, Rabi Sankar Biswas, Makhan Lal, Siddhartha Bhattacharya, Soumen Das. An unusual case of inguinal hernia: Persistent Mullerian duct syndrome with transverse testicular ectopia. Medical Case Studies Vol. 2(7), pp. 54-57, December 2011.
  • Bhattacharya, V., Shammi, P., Joshi, D., Kumar, M., Mandal.S., Chaudhury, G.R., Bhattacharya, S. Electrophysiological and Histological Analysis of Proximal Muscles in Post Burn Contractures of upper Limb, Burns, 37: issue 4, 692-697,2011.UK.
  • Bhattacharya, V., Barooah, P.S., Rawat, S., Chaudhury, G.R., Agrawal, N.K., Bhattacharya, S. Turn over split fascial flap- a refinement for resurfacing shin defects, International Journal of Burns and trauma on, Vol.2(2), 86-92, 2012,(USA).
  • Bhattacharya, V., Agrawal, N.K., Chaudhury, G.R., Srivastave, A., Bhattacharya, S. Cadaveric, CT angiographic & intraoperative evaluation of perforators in the lower limb and their reconstructive implications, Indian Journal of Plastic Surgery, Vol.45(3): 494-497, 2012.

    Field of Expertise

  • Bariatric & Metabolic surgery
  • Laparoscopic Hernia surgery
  • Laparoscopic Gallblabber surgery
  • Laparoscopic Upper GI surgery for Achalasia cardia
  • Hiatus Hernia & GERD
  • Laparoscopic GI surgery
  • Fellowship & Membership

  • FMAS
  • FAIS
  • AMASI
  • ASI
  • OSSI
  • IFSO
  • MNAMS
  • Languages Spoken

  • English
  • Bengali
  • Hindi
  • Tamil
  • Awards & Achievements

  • Received “Best paper award (GOLD medal)” at AMASICON 2016 for presenting on Applicability of ABCD score for remission of type 2 diabetes mellitus following bariatric surgery.
  • Received “Best paper award (GOLD medal)” at AMASICON 2017 for presenting on Evolution and Standardisation of Techniques in Single-Incision Laparoscopic Bariatric Surgery.
  • Received “Best paper award” at OSSICON 2018, Chennai.
  • Talks & Publications

  • AUTHORED BOOK
  • Co-Authored the book “Clinics in Bariatric & Metabolic surgery” JAYPEE publishers, Jan 2019.
  • P. Praveen Raj, Siddhartha Bhattacharya, Shivanshu Misra, S. Saravana Kumar, Mohd. Juned Khan, Sridhar Chinnaswami Gunasekaran, C. Palanivelu. Gastro-esophageal reflux-related physiological changes following sleeve gastrectomy and Roux-en-Y gastric bypass: A prospective comparative study. Surgery for Obesity and Related Diseases, 2019 May.
  • Raj PP, Bhattacharya S, Kumar SS, Parthasarathi R, Cumar B, Palanivelu C. Morbid obesity with a ventral hernia: Is concomitant bariatric surgery with laparoscopic ventral hernia mesh repair the best approach? An experience of over 150 cases. Surgery for Obesity and Related Diseases. 2019 May
  • Raj PP, Misra S, Bhattacharya S, Kumar SS, Kumar TS, Khan MJ, Palanivelu C. Lower oesophageal peptic stricture after laparoscopic sleeve gastrectomy: World's first case report. Journal of minimal access surgery. 2019 Apr.
  • Raj PP, Bhattacharya S, Parthasarathi R, Senthilnathan P, Rajapandian S, Kumar SS, Palanivelu C. Evolution and Standardisation of Techniques in Single-Incision Laparoscopic Bariatric Surgery. Obesity Surgery. 2017 Nov 21:1-0.
  • Bhattacharya S, Kumar SS, Swamy PD, Palanivelu C, Raj PP. Deep vein thrombosis prophylaxis: Are we overdoing? An Asian survey on trends in bariatric surgery with a systematic review of the literature.
  • Raj PP, Bhattacharya S, Kumar SS, Parthasarathi R, Palanivelu C. Concomitant intraperitoneal Onlay mesh repair with endoscopic component separation and sleeve gastrectomy.
  • Praveen Raj P, Bhattacharya S, Kumar SS, Sabnis SC, Parthasarathi R, Kumara Swamy PD, Palanivelu C. Non-alcoholic steatohepatitis (NASH) and metabolic surgery in Asia. Ann Laparosc Endosc Surg 2017;2:139.
  • Praveen Raj P, Bhattacharya S, Saravana Kumar S, Sabnis SC, Parthasarathi R, Swamy PDK, Palanivelu C. Comparison of Effects of Sleeve Gastrectomy and Gastric Bypass on Lipid Profile Parameters in Indian Obese: a Case Matched Analysis. ObesSurg. 2017 Apr 28.
  • Raj PP, Bhattacharya S, Kumar SS, Sabnis SC, Parthasarathi R, Swamy PD, Palanivelu C. Do Bariatric Surgery-Related Type 2 Diabetes Remission Predictors Add Clinical Value? A Study on Asian Indian Obese Diabetics. Obesity Surgery. 2017 Feb 24:1-7.
  • Siddhartha Bhattacharya, P Praveen Raj written a chapter “Revisional surgical options after laparoscopic adjustable gastric banding” in book, “Bariatric surgical practice guide” in 2017.
  • R. Parthasarathy, Samrat V Jankar, Siddhartha Bhattacharya et al. Laparoscopic management of a rare case of recurrent presacral teratoma accepted in Jour of Min Acc Sur.
  • Bhattacharya, V., Mishra, B., Mishra Binayak., Umesh Kumar., Bhattacharya, S. Effect of Surgical Traumas on Microcirculation, Indian J.of Plastic Surgery, 42: 146-149, 2009.
  • Bhattacharya, V., Mishra, B., Barooah, P.S., Chaudhury, G.R., Bhattacharya, S. Lymphangiectasis of Lower Limb: A rare Challenging Case. Indian Journal Plastic Surgery, 42: 248-250, 2009.
  • Bhattacharya, V., Barooah, P.S., Nag, T.C., Chaudhury, G.R., Bhattacharya, S. Detail microscopic analysis of deep fascia and its surgical implication. Indian J.of Plast. Surg. 43: issue 2,135-140, 2010.
  • Bhattacharya, V., Barooah, P.S., Rawat, S., Chaudhury, G.R., Agrawal, N.K., Bhattacharya, S., Tripathi, S.K. Cadaveric Study and Clinical Application of Turnover Fascial Flap for Lower Limb Defects Accepted in Europian Journal of Plastic Surgery (USA), on 17th August 2010.
  • Suvro Ganguly, Rabi Sankar Biswas, Makhan Lal, Siddhartha Bhattacharya, Soumen Das. An unusual case of inguinal hernia: Persistent Mullerian duct syndrome with transverse testicular ectopia. Medical Case Studies Vol. 2(7), pp. 54-57, December 2011.
  • Bhattacharya, V., Shammi, P., Joshi, D., Kumar, M., Mandal.S., Chaudhury, G.R., Bhattacharya, S. Electrophysiological and Histological Analysis of Proximal Muscles in Post Burn Contractures of upper Limb, Burns, 37: issue 4, 692-697,2011.UK.
  • Bhattacharya, V., Barooah, P.S., Rawat, S., Chaudhury, G.R., Agrawal, N.K., Bhattacharya, S. Turn over split fascial flap- a refinement for resurfacing shin defects, International Journal of Burns and trauma on, Vol.2(2), 86-92, 2012,(USA).
  • Bhattacharya, V., Agrawal, N.K., Chaudhury, G.R., Srivastave, A., Bhattacharya, S. Cadaveric, CT angiographic & intraoperative evaluation of perforators in the lower limb and their reconstructive implications, Indian Journal of Plastic Surgery, Vol.45(3): 494-497, 2012.

    Awards & Achievements

  • Received “Best paper award (GOLD medal)” at AMASICON 2016 for presenting on Applicability of ABCD score for remission of type 2 diabetes mellitus following bariatric surgery.
  • Received “Best paper award (GOLD medal)” at AMASICON 2017 for presenting on Evolution and Standardisation of Techniques in Single-Incision Laparoscopic Bariatric Surgery.
  • Received “Best paper award” at OSSICON 2018, Chennai.
  • Fellowship & Membership

  • FMAS
  • FAIS
  • AMASI
  • ASI
  • OSSI
  • IFSO
  • MNAMS
  • Field of Expertise

  • Bariatric & Metabolic surgery
  • Laparoscopic Hernia surgery
  • Laparoscopic Gallblabber surgery
  • Laparoscopic Upper GI surgery for Achalasia cardia
  • Hiatus Hernia & GERD
  • Laparoscopic GI surgery
  • Languages Spoken

  • English
  • Bengali
  • Hindi
  • Tamil
  • Talks & Publications

  • AUTHORED BOOK
  • Co-Authored the book “Clinics in Bariatric & Metabolic surgery” JAYPEE publishers, Jan 2019.
  • P. Praveen Raj, Siddhartha Bhattacharya, Shivanshu Misra, S. Saravana Kumar, Mohd. Juned Khan, Sridhar Chinnaswami Gunasekaran, C. Palanivelu. Gastro-esophageal reflux-related physiological changes following sleeve gastrectomy and Roux-en-Y gastric bypass: A prospective comparative study. Surgery for Obesity and Related Diseases, 2019 May.
  • Raj PP, Bhattacharya S, Kumar SS, Parthasarathi R, Cumar B, Palanivelu C. Morbid obesity with a ventral hernia: Is concomitant bariatric surgery with laparoscopic ventral hernia mesh repair the best approach? An experience of over 150 cases. Surgery for Obesity and Related Diseases. 2019 May
  • Raj PP, Misra S, Bhattacharya S, Kumar SS, Kumar TS, Khan MJ, Palanivelu C. Lower oesophageal peptic stricture after laparoscopic sleeve gastrectomy: World's first case report. Journal of minimal access surgery. 2019 Apr.
  • Raj PP, Bhattacharya S, Parthasarathi R, Senthilnathan P, Rajapandian S, Kumar SS, Palanivelu C. Evolution and Standardisation of Techniques in Single-Incision Laparoscopic Bariatric Surgery. Obesity Surgery. 2017 Nov 21:1-0.
  • Bhattacharya S, Kumar SS, Swamy PD, Palanivelu C, Raj PP. Deep vein thrombosis prophylaxis: Are we overdoing? An Asian survey on trends in bariatric surgery with a systematic review of the literature.
  • Raj PP, Bhattacharya S, Kumar SS, Parthasarathi R, Palanivelu C. Concomitant intraperitoneal Onlay mesh repair with endoscopic component separation and sleeve gastrectomy.
  • Praveen Raj P, Bhattacharya S, Kumar SS, Sabnis SC, Parthasarathi R, Kumara Swamy PD, Palanivelu C. Non-alcoholic steatohepatitis (NASH) and metabolic surgery in Asia. Ann Laparosc Endosc Surg 2017;2:139.
  • Praveen Raj P, Bhattacharya S, Saravana Kumar S, Sabnis SC, Parthasarathi R, Swamy PDK, Palanivelu C. Comparison of Effects of Sleeve Gastrectomy and Gastric Bypass on Lipid Profile Parameters in Indian Obese: a Case Matched Analysis. ObesSurg. 2017 Apr 28.
  • Raj PP, Bhattacharya S, Kumar SS, Sabnis SC, Parthasarathi R, Swamy PD, Palanivelu C. Do Bariatric Surgery-Related Type 2 Diabetes Remission Predictors Add Clinical Value? A Study on Asian Indian Obese Diabetics. Obesity Surgery. 2017 Feb 24:1-7.
  • Siddhartha Bhattacharya, P Praveen Raj written a chapter “Revisional surgical options after laparoscopic adjustable gastric banding” in book, “Bariatric surgical practice guide” in 2017.
  • R. Parthasarathy, Samrat V Jankar, Siddhartha Bhattacharya et al. Laparoscopic management of a rare case of recurrent presacral teratoma accepted in Jour of Min Acc Sur.
  • Bhattacharya, V., Mishra, B., Mishra Binayak., Umesh Kumar., Bhattacharya, S. Effect of Surgical Traumas on Microcirculation, Indian J.of Plastic Surgery, 42: 146-149, 2009.
  • Bhattacharya, V., Mishra, B., Barooah, P.S., Chaudhury, G.R., Bhattacharya, S. Lymphangiectasis of Lower Limb: A rare Challenging Case. Indian Journal Plastic Surgery, 42: 248-250, 2009.
  • Bhattacharya, V., Barooah, P.S., Nag, T.C., Chaudhury, G.R., Bhattacharya, S. Detail microscopic analysis of deep fascia and its surgical implication. Indian J.of Plast. Surg. 43: issue 2,135-140, 2010.
  • Bhattacharya, V., Barooah, P.S., Rawat, S., Chaudhury, G.R., Agrawal, N.K., Bhattacharya, S., Tripathi, S.K. Cadaveric Study and Clinical Application of Turnover Fascial Flap for Lower Limb Defects Accepted in Europian Journal of Plastic Surgery (USA), on 17th August 2010.
  • Suvro Ganguly, Rabi Sankar Biswas, Makhan Lal, Siddhartha Bhattacharya, Soumen Das. An unusual case of inguinal hernia: Persistent Mullerian duct syndrome with transverse testicular ectopia. Medical Case Studies Vol. 2(7), pp. 54-57, December 2011.
  • Bhattacharya, V., Shammi, P., Joshi, D., Kumar, M., Mandal.S., Chaudhury, G.R., Bhattacharya, S. Electrophysiological and Histological Analysis of Proximal Muscles in Post Burn Contractures of upper Limb, Burns, 37: issue 4, 692-697,2011.UK.
  • Bhattacharya, V., Barooah, P.S., Rawat, S., Chaudhury, G.R., Agrawal, N.K., Bhattacharya, S. Turn over split fascial flap- a refinement for resurfacing shin defects, International Journal of Burns and trauma on, Vol.2(2), 86-92, 2012,(USA).
  • Bhattacharya, V., Agrawal, N.K., Chaudhury, G.R., Srivastave, A., Bhattacharya, S. Cadaveric, CT angiographic & intraoperative evaluation of perforators in the lower limb and their reconstructive implications, Indian Journal of Plastic Surgery, Vol.45(3): 494-497, 2012.

    Talks & Publications

  • AUTHORED BOOK
  • Co-Authored the book “Clinics in Bariatric & Metabolic surgery” JAYPEE publishers, Jan 2019.
  • P. Praveen Raj, Siddhartha Bhattacharya, Shivanshu Misra, S. Saravana Kumar, Mohd. Juned Khan, Sridhar Chinnaswami Gunasekaran, C. Palanivelu. Gastro-esophageal reflux-related physiological changes following sleeve gastrectomy and Roux-en-Y gastric bypass: A prospective comparative study. Surgery for Obesity and Related Diseases, 2019 May.
  • Raj PP, Bhattacharya S, Kumar SS, Parthasarathi R, Cumar B, Palanivelu C. Morbid obesity with a ventral hernia: Is concomitant bariatric surgery with laparoscopic ventral hernia mesh repair the best approach? An experience of over 150 cases. Surgery for Obesity and Related Diseases. 2019 May
  • Raj PP, Misra S, Bhattacharya S, Kumar SS, Kumar TS, Khan MJ, Palanivelu C. Lower oesophageal peptic stricture after laparoscopic sleeve gastrectomy: World's first case report. Journal of minimal access surgery. 2019 Apr.
  • Raj PP, Bhattacharya S, Parthasarathi R, Senthilnathan P, Rajapandian S, Kumar SS, Palanivelu C. Evolution and Standardisation of Techniques in Single-Incision Laparoscopic Bariatric Surgery. Obesity Surgery. 2017 Nov 21:1-0.
  • Bhattacharya S, Kumar SS, Swamy PD, Palanivelu C, Raj PP. Deep vein thrombosis prophylaxis: Are we overdoing? An Asian survey on trends in bariatric surgery with a systematic review of the literature.
  • Raj PP, Bhattacharya S, Kumar SS, Parthasarathi R, Palanivelu C. Concomitant intraperitoneal Onlay mesh repair with endoscopic component separation and sleeve gastrectomy.
  • Praveen Raj P, Bhattacharya S, Kumar SS, Sabnis SC, Parthasarathi R, Kumara Swamy PD, Palanivelu C. Non-alcoholic steatohepatitis (NASH) and metabolic surgery in Asia. Ann Laparosc Endosc Surg 2017;2:139.
  • Praveen Raj P, Bhattacharya S, Saravana Kumar S, Sabnis SC, Parthasarathi R, Swamy PDK, Palanivelu C. Comparison of Effects of Sleeve Gastrectomy and Gastric Bypass on Lipid Profile Parameters in Indian Obese: a Case Matched Analysis. ObesSurg. 2017 Apr 28.
  • Raj PP, Bhattacharya S, Kumar SS, Sabnis SC, Parthasarathi R, Swamy PD, Palanivelu C. Do Bariatric Surgery-Related Type 2 Diabetes Remission Predictors Add Clinical Value? A Study on Asian Indian Obese Diabetics. Obesity Surgery. 2017 Feb 24:1-7.
  • Siddhartha Bhattacharya, P Praveen Raj written a chapter “Revisional surgical options after laparoscopic adjustable gastric banding” in book, “Bariatric surgical practice guide” in 2017.
  • R. Parthasarathy, Samrat V Jankar, Siddhartha Bhattacharya et al. Laparoscopic management of a rare case of recurrent presacral teratoma accepted in Jour of Min Acc Sur.
  • Bhattacharya, V., Mishra, B., Mishra Binayak., Umesh Kumar., Bhattacharya, S. Effect of Surgical Traumas on Microcirculation, Indian J.of Plastic Surgery, 42: 146-149, 2009.
  • Bhattacharya, V., Mishra, B., Barooah, P.S., Chaudhury, G.R., Bhattacharya, S. Lymphangiectasis of Lower Limb: A rare Challenging Case. Indian Journal Plastic Surgery, 42: 248-250, 2009.
  • Bhattacharya, V., Barooah, P.S., Nag, T.C., Chaudhury, G.R., Bhattacharya, S. Detail microscopic analysis of deep fascia and its surgical implication. Indian J.of Plast. Surg. 43: issue 2,135-140, 2010.
  • Bhattacharya, V., Barooah, P.S., Rawat, S., Chaudhury, G.R., Agrawal, N.K., Bhattacharya, S., Tripathi, S.K. Cadaveric Study and Clinical Application of Turnover Fascial Flap for Lower Limb Defects Accepted in Europian Journal of Plastic Surgery (USA), on 17th August 2010.
  • Suvro Ganguly, Rabi Sankar Biswas, Makhan Lal, Siddhartha Bhattacharya, Soumen Das. An unusual case of inguinal hernia: Persistent Mullerian duct syndrome with transverse testicular ectopia. Medical Case Studies Vol. 2(7), pp. 54-57, December 2011.
  • Bhattacharya, V., Shammi, P., Joshi, D., Kumar, M., Mandal.S., Chaudhury, G.R., Bhattacharya, S. Electrophysiological and Histological Analysis of Proximal Muscles in Post Burn Contractures of upper Limb, Burns, 37: issue 4, 692-697,2011.UK.
  • Bhattacharya, V., Barooah, P.S., Rawat, S., Chaudhury, G.R., Agrawal, N.K., Bhattacharya, S. Turn over split fascial flap- a refinement for resurfacing shin defects, International Journal of Burns and trauma on, Vol.2(2), 86-92, 2012,(USA).
  • Bhattacharya, V., Agrawal, N.K., Chaudhury, G.R., Srivastave, A., Bhattacharya, S. Cadaveric, CT angiographic & intraoperative evaluation of perforators in the lower limb and their reconstructive implications, Indian Journal of Plastic Surgery, Vol.45(3): 494-497, 2012.
  • Fellowship & Membership

  • FMAS
  • FAIS
  • AMASI
  • ASI
  • OSSI
  • IFSO
  • MNAMS
  • Field of Expertise

  • Bariatric & Metabolic surgery
  • Laparoscopic Hernia surgery
  • Laparoscopic Gallblabber surgery
  • Laparoscopic Upper GI surgery for Achalasia cardia
  • Hiatus Hernia & GERD
  • Laparoscopic GI surgery
  • Languages Spoken

  • English
  • Bengali
  • Hindi
  • Tamil
  • Awards & Achievements

  • Received “Best paper award (GOLD medal)” at AMASICON 2016 for presenting on Applicability of ABCD score for remission of type 2 diabetes mellitus following bariatric surgery.
  • Received “Best paper award (GOLD medal)” at AMASICON 2017 for presenting on Evolution and Standardisation of Techniques in Single-Incision Laparoscopic Bariatric Surgery.
  • Received “Best paper award” at OSSICON 2018, Chennai.
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