OP Timing:

• Indian Society of Gastroenterology Travel Fellowship (2005) for world Congress of Gastroenterology Montreal, Canada to present “Reuse of Single use ERCP accessories -evaluation of technical success, safety and cost efficacy”.
• II nd prize in oral session at Annual Conference in Annual Conference of SGEI ,Visakhapatnam (2005) for “Endoscopic entral stent placement in malignant UGI obstruction –Study of technical success ,safety and efficacy”
• IInd Prize in Oral Session at Annual Conference of SGEI, New Delhi for “Endoscopic management of Zenker’s Diverticulum.
• II nd Prize in Poster Session at Annual Conference of ISG , Kolkata, for Subtypes of achalasia cardia in Indian population based on pressure topography on high resolution manometry

• M.B.B.S BLDEA’s Shri B.M.Medical College, Bijapur (1991-1997)
• DNB (Medicine Nizams Institute of Medical Sciences, Hyderabad
• DNB(Gastroenterology) Sir Gangaram Hospital, New Delhi

1. Worldwide prevalence and burden of functional gastrointestinal disorders, results of Rome Foundation Global Study - AD Sperber, SI Bangdiwala, DA Drossman, UC Ghoshal, M Simren, ...Gastroenterology 160 (1), 99-114. e3
2. Achalasia cardia subtyping by high-resolution manometry predicts the therapeutic outcome of pneumatic balloon dilatation - N Pratap, R Kalapala, S Darisetty, N Joshi, M Ramchandani, R Banerjee, ...Journal of neurogastroenterology and motility 17 (1), 48
3. Extracorporeal shock wave lithotripsy and endotherapy for pancreatic calculi—a large single center experience - M Tandan, DN Reddy, D Santosh, K Vinod, M Ramchandani, K Rama, ... Indian Journal of Gastroenterology 29 (4), 143-148
4. ERCP in the management of pancreatic diseases in children - J Agarwal, DN Reddy, R Talukdar, S Lakhtakia, M Ramchandani, ... Gastrointestinal endoscopy 79 (2), 271-278
5. Primary care management of chronic constipation in Asia: the ANMA chronic constipation tool - KA Gwee, UC Ghoshal, S Gonlachanvit, ASB Chua, SJ Myung, ... Journal of neurogastroenterology and motility 19 (2), 149
6. Asian-Pacific consensus on small intestinal bacterial overgrowth in gastrointestinal disorders: An initiative of the Indian Neurogastroenterology and Motility Association - UC Ghoshal, S Sachdeva, U Ghoshal, A Misra, AS Puri, N Pratap, A Shah, ... Indian Journal of Gastroenterology 41 (5), 483-507
7. Development, translation and validation of enhanced Asian Rome III questionnaires for diagnosis of functional bowel diseases in major Asian languages: a Rome Foundation-Asian … - UC Ghoshal, KA Gwee, M Chen, XR Gong, N Pratap, X Hou, AF Syam, ... Journal of neurogastroenterology and motility 21 (1), 83
8. Indian consensus on chronic constipation in adults: A joint position statement of the Indian Motility and Functional Diseases Association and the Indian Society of Gastroenterology - UC Ghoshal, S Sachdeva, N Pratap, A Verma, A Karyampudi, A Misra, ... Indian Journal of Gastroenterology 37 (6), 526-544
9. A case-control study on nutritional risk factors in non-alcoholic fatty liver disease in Indian population - E Sathiaraj, M Chutke, MY Reddy, N Pratap, PN Rao, DN Reddy, ... European journal of clinical nutrition 65 (4), 533-537
10. Asia‐Pacific guidelines for managing functional dyspepsia overlapping with other gastrointestinal symptoms - KA Gwee, YY Lee, H Suzuki, UC Ghoshal, G Holtmann, T Bai, G Barbara, ... Journal of gastroenterology and hepatology 38 (2), 197-209
11. Rome Foundation-Asian working team report: Asian functional gastrointestinal disorder symptom clusters - KTH Siah, X Gong, XJ Yang, WE Whitehead, M Chen, X Hou, N Pratap, ... Gut 67 (6), 1071-1077
12. Rome foundation Asian working team report: real world treatment experience of Asian patients with functional bowel disorders - L Xiong, X Gong, KTH Siah, N Pratap, UC Ghoshal, M Abdullah, AF Syam, ... Journal of gastroenterology and hepatology 32 (8), 1450-1456
13. Effect of electrical stimulation of the lower esophageal sphincter using endoscopically implanted temporary stimulation leads in patients with reflux disease - R Banerjee, N Pratap, R Kalpala, DN Reddy - Surgical endoscopy 28 (3), 1003-1009
14. Comparison of Manning, Rome I, II, and III, and Asian diagnostic criteria: report of the Multicentric Indian Irritable Bowel Syndrome (MIIBS) study - UC Ghoshal, P Abraham, SJ Bhatia, SP Misra, G Choudhuri, KD Biswas, ... Indian Journal of Gastroenterology 32 (6), 369-375
15. Face‐to‐face interviews versus internet surveys: comparison of two data collection methods in the Rome foundation global epidemiology study: implications for population‐based … AD Sperber, S Bor, X Fang, SI Bangdiwala, DA Drossman, UC Ghoshal, ... Neurogastroenterology & Motility 35 (6), e14583
16. Indian consensus statements on irritable bowel syndrome in adults: A guideline by the Indian Neurogastroenterology and Motility Association and jointly supported by the Indian … UC Ghoshal, S Sachdeva, N Pratap, A Karyampudi, U Mustafa, ... Indian Journal of Gastroenterology 42 (2), 249-273
17. Can achalasia subtyping by high-resolution manometry predict the therapeutic outcome of pneumatic balloon dilatation?: author's reply - N Pratap, DN Reddy - Journal of Neurogastroenterology and Motility 17 (2), 205
18. Absence of Mycobacterium avium ss paratuberculosis-specific IS900 sequence in intestinal biopsy tissues of Indian patients with Crohn’s disease - M Sasikala, DN Reddy, N Pratap, SK Sharma, PR Balkumar, A Sekaran, ... Indian journal of gastroenterology 28 (5), 169-174
19. Comparisons of the Rome III and Rome IV criteria for diagnosis of irritable bowel syndrome in Indian and Bangladeshi communities and internal shifts in the diagnostic … UC Ghoshal, MM Rahman, N Pratap, A Misra, SA Sarker, M Hasan, ... Neurogastroenterology & Motility 35 (6), e14579
20. Achalasia cardia with esophageal varix managed with endoscopic ultrasound-guided botulinum toxin injection - S Lakhtakia, A Monga, R Gupta, R Kalpala, N Pratap, E Wee, S Arjunan, ... Indian Journal of Gastroenterology 30 (6), 277-279
21. Retrospective study on symptoms and treatment modalities used and short‐term follow up of achalasia cardia in Indian setting - M Jain, N Baijal, M Srinivas, R Baijal, N Pratap, V Bachkaniwala, ... JGH Open 4 (5), 856-859
22. Dysbiosis in Irritable Bowel Syndrome. - P Abraham, N Pratap - The Journal of the Association of Physicians of India 71 (9), 75-81
23. Expert Recommendations on Optimizing the Diagnosis and Management of Gastroesophageal Reflux Disease Associated with Comorbidities in the Indian Population. - H Dumra, R Sainani, N Pratap, BP Singh, I Halder, J Shah, M Thakkar, ... The Journal of the Association of Physicians of India 71 (8), 11-12
24. In patients with GERD, electrical stimulation therapy (EST) significantly and consistently increases lower esophageal sphincter (LES) pressure - R Banerjee, N Pratap, R Kalapala, DN Reddy - JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY 25, A16-A16
25. Proposed algorithm for the diagnosis and management of functional dyspepsia in India - SA Zargar, VG Mohan, RB Shankar, N Pratap, RR Rai, O Goyal - J Assoc Physicians India 72 (12), 34-39
26. 36. Platelet count to splenic diameter ratio (PSR) and liver stiffness by mr elastography in prediction of esophageal varices in patients with chronic liver disease - S Ambulge, S Putta, NP Mathur, S Babu - Journal of clinical and experimental Hepatology 8, S68-S69
27. Influence of probiotic administration on the fecal microbiota in diarrhea-predominant irritable bowel syndrome - C Subramanyam, N Pratap, P Gandham, R Talukdar, M Sasikala, ... Indian Journal of Gastroenterology 34 (3), 275-276
28. 788l: A Randomized Controlled Trial Comparing Tapered Catheter vs 6 Fr Cystostome for Safe EUS Guided Drainage of Non-Bulging Pseudocyst With Collaterals - S Lakhtakia, R Gupta, A Nagar, N Pratap, M Ramchandani, S Darisetty, ... Gastrointestinal Endoscopy 71 (5), AB136-AB137
29. Narrow band imaging (NBI) can detect minimal changes in non erosive reflux disease (NERD) which resolve with PPI therapy - R Banerjee, N Pratap, M Ramchandani, M Tandan, GV Rao, DN Reddy - Gastrointestinal Endoscopy 69 (5), AB356
30. Patients with chronic constipation attending outpatient clinics in India and China may present as functional dyspepsia and receive inappropriate treatment - KA Gwee, N Pratap, M Chen, L Xiong, K Siah, U Ghoshal, W Whitehead - NEUROGASTROENTEROLOGY AND MOTILITY 24, 114-114
31. Clinical profile of snake envenomation–NIMS Experience - P Nitesh, V Shantaram - J. Association Physician India 49, 57
32. Survey on the perceptions of Asian endoscopists to artificial intelligence - SXZ Quek, CS Koo, L Liu, WK Leung, RSY Tang, H Chung, X Zhang, ... Communications Medicine 5 (1), 313
33. Clinical spectrum of inflammatory bowel disease in a tertiary health care centre in India - MJ Mansard, R Banerjee, N Pratap, M Ramchandani, M Tandan, GV Rao, ... JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY 25, A73-A73
34. Evaluation of a Fixed-dose Combination of Mebeverine and Chlordiazepoxide for Irritable Bowel Syndrome - N Pratap, O Goyal, S Jagtap, B Goswami, PP Kalita - Gastroenterology, Hepatology and Endoscopy Practice 3 (4), 146-152
35. Erratum: Development, Translation and Validation of Enhanced Asian Rome III Questionnaires for Diagnosis of Functional Bowel Diseases in Major Asian Languages: A Rome … UC Ghoshal, KA Gwee, M Chen, XR Gong, N Pratap, X Hou, AF Syam, ... Journal of Neurogastroenterology and Motility 21 (2), 301-301
36. Response to Comment on “Asian-Pacific consensus on small intestinal bacterial overgrowth in gastrointestinal disorders” - S Sachdeva, N Pratap, UC Ghoshal - Indian Journal of Gastroenterology, 1-2
37. Proposed Algorithm for the Diagnosis and Management of Functional Dyspepsia-Gastroesophageal Reflux Disease Overlap in the Indian Clinical Setting - VGM Prasad, BR Shankar, SA Zargar, N Pratap, C Bhatt, R Puri, ... Scopus 123 (08), 51
38. P130 Perception mapping of vonoprazan: expert consensus on its efficacy and clinical utility in acid-related disorders in India - TS Chandrasekhar, R Puri, P Dhawan, P Abraham, S Appasani, N Pratap, ... Gut 74 (Suppl 1), A167-A167
39. Proposed Algorithm for the Diagnosis and Management of Diabetic Gastroparesis in the Indian Clinical Setting - MVG Prasad, N Pratap, S Zargar, RB Shankar, U Jalihal, RV Venugopal - Indian Journal of Endocrinology and Metabolism 29 (3), 276-282
40. OPTIMIZING DURATION OF PHARMACOTHERAPY IN PATIENTS WITH IRRITABLE BOWEL SYNDROME: AN INDIAN PERSPECTIVE - GN RAMESH, N PRATAP - INTERNATIONAL JOURNAL OF RESEARCH IN MEDICAL SCIENCES 12 (10), 3971-3979
41. To study clinical profile ofpatients of microscopic colitis in patients of chronic watery diarrhea at tertiary care center in South India - M Patil, A Bacchav, N Pratap, A Kumar, S Putta, S Babu, R Kappa, ... JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY 34, 485-485
42. Bloating and its association with functional gastrointestinal disorders according to ROME III diagnostic criteria - KTH Siah, XR Gong, MH Chen, XH Hou, A Murdani, N Pratap, U Ghoshal, ... Journal of gastroenterology and hepatology
43. Asian functional gastrointestinal disorder symptom clusters: A prospective multicenter study - KTH Siah, X Gong, XJ Yang, WE Whitehead, M Chen, XH Hou, N Pratap, ... Journal of gastroenterology and hepatology
44. New FGID symptom clusters identified by factor analysis in an Asian multi-center study - KTH Siah, X Gong, XJ Yang, WE Whitehead, M Chen, X Hou, N Pratap, ... JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY 30, 8-9
45. Bloating of functional origin is predominantly associated with IBS and IBS symptomatology in Asia - KTH Siah, KA Gwee, WE Whitehead, M Chen, XH Hou, N Pratap, ... Neurogastroenterology & Motility
46. Prevalence of esophageal symptoms by ROME III criteria in Asia and their relation with other FGIDs - KTH Siah, KA Gwee, WE Whitehead, M Chen, XH Hou, N Pratap, ... Journal of gastroenterology and hepatology
47. Mo2089 Applying the ROME III Questionnaire in Asia Leads to Substantial Misclassification of Irritable Bowel Syndrome (IBS) Patients As Functional Dyspepsia (FD) - X Gong, KA Gwee, WE Whitehead, M Chen, X Hou, N Pratap, ... Gastroenterology 5 (144), S-738
48. Tu1190 Prevalence of Esophageal Symptoms by ROME III Criteria in Asia and Their Association With Other Functional Gastrointestinal Disorders - KTH Siah, KA Gwee, WE Whitehead, M Chen, X Hou, N Pratap, ... Gastroenterology 5 (144), S-785-S-786
49. Implications for the Rome IV criteria: association of epigastric pain or burning with Irritable Bowel Syndrome (IBS) in Asia - X Gong, KA Gwee, WE Whitehead, M Chen, X Hou, N Pratap, ... Journal of gastroenterology and hepatology
50. Comparison of manning, Rome I, II, III and asian criteria for diagnosis of irritable bowel syndrome (IBS): a multi-center study - UC Ghoshal, P Abraham, SJ Bhatia, SP Misra, G Choudhuri, KD Biswas, ... JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY 27, 398-399
51. EUS guided drainage of pseudocyst lacking luminal bulge or having collaterals; tapered catheter vs. 6Fr cystostome for “initial track dilation”–a randomized controlled trial - S Lakhtakia, R Gupta, A Nagar, N Pratap, M Ramchandani, D Santosh, ... Endoscopy 43 (S 03), A70
52. Autoimmune pancreatitis in India-a prospective study - M Ramchandani, DN Reddy, N Pratap - JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY 25, A150-A150
53. Spiral Enteroscopy: Asian experience - DN Reddy, M Tandan, S Lakhtakia, R Gupta, R Banerjee, N Pratap, ... JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY 25, A67-A67
54. Characteristics of multichannel impedence with pH metry in GERD patients on and off PPI therapy in Indian population - K Rakesh, P Nitesh, B Rupa, GV Rao, DN Reddy - JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY 25, A119-A119
55. Absence of Mycobacterium avium ss paratuberculosis-specific IS900 sequence in intestinal biopsy tissues of Indian patients with Crohn's disease. - MS Mitnala Sasikala, DN Reddy, NP Nitesh Pratap, SK Sharma.