Narayana Institute of Digestive Sciences at Narayana Medical College, Nellore, brings together various specialties for the evaluation and treatment of digestive diseases, along with a multidisciplinary team of medical gastroenterologists and specialist surgeons to ensure a comprehensive solution to all gastroenterological problems. Prevention, diagnosis and treatment of diseases of the digestive tract, liver and pancreatico-biliary system in children and adults are the core objectives of the Institute. The department prides itself in providing compassionate care to the most needy with a high premium on patient.
The department not only handles the common gastro problems like GERD, IBS, Peptic ulcers, constipation but also provides a comprehensive care for hepatitis, liver failure, gall stones, ulcerative colitis, Crohn’s disease, pancreatitis, early cancers and palliative care. Department is equipped with state of the art Endoscopes (gastroscope, colonoscope, duodenoscope), C-arm X-ray machine, Endoscopic Ultrasound, High resolution manometry, 24hr pH merty. The wards (general and special) are spacious, well appointed both for patient comfort and optimum care. Intensive care unit and High dependency units provide care for the critically ill and those making recovery.
The department of gastroenterology is well supported by round the clock laboratory, blood bank, ICU, radiology and emergency services to ensure patients receive highest level of care in a timely manner.
Our department is recognized for the training of post-doctoral fellows who like to specialize in the field of Gastroenterology.

MBBS, MD, DM
Upper GI Endoscopy
Colonoscopy
Foreign body removal
Esophageal web dilatation
Esophageal tumour-dilatation-stent placement
Achalasia cardia
Esophageal variceal banding & scleratheaphy.
Gastric varices – glue injection
Gastric ulcer – hemoclip application – thermo coagulation
Pyloric dilatation for gastric outlet obstruction.
ERCP
Biliary stricture dilatation
Biliary stone removal
Biliary stenting for cancers
Percutaneous endoscopic gastrostomy
Percutaneous endoscopic jejunostomy
Liver Biopsy
Liver abscess – pig tail placement
Pancreatic duct stenting
Pancreatic stricture dilatation
Pancreatic pseudo cyst drainage
Biliary duct leak treatment
Colon stricture dilatation
Polypectomy
Endoscopic mucosal resection
Endoscopic submucosal resection
| SL.NO | ACC.NO | TITLE OF THE BOOK | AUTHOR NAME | NO.OF.BOOKS |
| 1 | 3124 | MANUAL OF THERAPEUTIC GI ENDOSCOPY | N REDDY | 1 |
| 2 | 3131 | MANUAL OF THERAPEUTIC GI ENDOSCOPY | N REDDY | 1 |
| 3 | 3134 | MANUAL OF THERAPEUTIC GI ENDOSCOPY | N REDDY | 1 |
| 4 | 5971 | SHEILA SHERLOCK DISEASES OF THE LIVER AND BILIARY SYSTEM 11 ED | DOOLEY | 1 |
| 5 | 6011 | COMPREHENSIVE CLINICAL HEPATOLOGY | JOHN G OGRADY | 1 |
| 6 | 9012 | MANUAL OF GASTROENTEROLOGY | AVUNDUK | 1 |
| 7 | 9013 | MANUAL OF GASTROENTEROLOGY | AVUNDUK | 1 |
| 8 | 9015 | MANUAL OF GASTROENTEROLOGY | AVUNDUK | 1 |
| 9 | 9017 | MANUAL OF GASTROENTEROLOGY | AVUNDUK | 1 |
| 10 | 9752 | MUCOSAL BIOPSY OF THE GASTROINTESTINAL TRACT 5 ED | WHITEHEAD | 1 |
| 11 | 10110 | YEAR BOOK OF GASTROENTEROLOGY – 2005 | GARY R.LICHTENSTEIN | 1 |
| 12 | 11082 | SURGERY OF THE LIVER BILLIARY TRACT AND PANCREAS 1&2 | BLUMGART | 1 |
| 13 | 11291 | DISEASES OF THE GALLBLADDER AND BILE DUCTS | CLAVIEN | 1 |
| 14 | 11567 | DISEASES OF THE COLON | WEXNER | 1 |
| 15 | 11568 | NETTER'S GASTROENTEROLOGY | FLOCH | 1 |
| 16 | 11850 | THE WASHINGTON MANUAL OF SURGERY | KLINGENSMITH | 1 |
| 17 | 11853 | THE WASHINGTON MANUAL OF SURGERY | KLINGENSMITH | 1 |
| 18 | 11854 | THE WASHINGTON MANUAL OF SURGERY | KLINGENSMITH | 1 |
| 19 | 11861 | SURGERY OF THE LIVER BILLIARY TRACT AND PANCREAS 1&2 | BLUMGART | 1 |
| 20 | 11873 | PRACTICAL GASTROINTESTINAL ENDOSCOPY 5 ED | COTTON | 1 |
| 21 | 11878 | DISEASES OF THE PANCREAS | BEGER | 1 |
| 22 | 11882 | GASTROINTESTINAL EMERGENCIES | THAM | 1 |
| 23 | 11883 | GASTROINTESTINAL EMERGENCIES | THAM | 1 |
| 24 | 11972 | GI/LIVER SECRETS | NALLY | 1 |
| 25 | 11975 | CLINICLA GASTROENTEROLOGY | MEHTA | 1 |
| 26 | 11983 | PRACTICAL GASTROENTEROLOGY | BALAKRISHNAN | 1 |
| 27 | 11984 | PRACTICAL GASTROENTEROLOGY | BALAKRISHNAN | 1 |
| 28 | 11985 | BEDTIME GASTROENTEROLOGY | GHODA | 1 |
| 29 | 11987 | GASTROINTESTINAL SURGERY MADE EASY | DEVAJI RAO | 1 |
| 30 | 11988 | GASTROINTESTINAL SURGERY MADE EASY | DEVAJI RAO | 1 |
| 31 | 12095 | NEOPLASMS OF THE COLON RECTUM AND ANUS 2 ED | GORDON | 1 |
| 32 | 12324 | TEXT BOOK OF GASTROENTEROLOGY -1&2 | YAMADA | 1 |
| 33 | 12325 | TEXT BOOK OF GASTROENTEROLOGY -1&2 | YAMADA | 1 |
| 34 | 12326 | PEDIATRIC GASTROINTESTINAL AND LIVER DISEASE | WYLLIE | 1 |
| 35 | 12327 | ATLAS OF CLINICAL GASTROINTESTINAL ENDOSCOPY | WILCOX | 1 |
| 36 | 12328 | GASTROENTEROLOGICAL ENDOSCOPY | CLASSEN | 1 |
| 37 | 12362 | SCHIFF'S GASTROINTESTINAL ENDOSCOPY VOL – 1- 10 ED | SCHIFF | 1 |
| 38 | 12363 | SCHIFF'S GASTROINTESTINAL ENDOSCOPY VOL – 2 10 ED | SCHIFF | 1 |
| 39 | 12365 | WAKLER'S PEDIATRIC GASTROINTESTINAL DISEASE VOL-1 | KLIENMAN | 1 |
| 40 | 12366 | WAKLER'S PEDIATRIC GASTROINTESTINAL DISEASE VOL -2 | KLIENMAN | 1 |
| 41 | 12367 | TEXT BOOK OF GASTROINTESTINAL RADIOLOGY -1&2 | CORE | 1 |
| 42 | 12368 | TEXT BOOK OF GASTROINTESTINAL RADIOLOGY -1&2 | CORE | 1 |
| 43 | 12619 | SLEISENGER&FORDTRAN'S GASTROINTESTINAL AND LIVER 1&2 8 ED | FELDMAN | 1 |
| 44 | 12620 | SLEISENGER&FORDTRAN'S GASTROINTESTINAL AND LIVER 1&2 8 ED | FELDMAN | 1 |
| 45 | 13308 | SCHIFF’S TEXT BOOK OF LIVER DISEASES 11 ED | SCHIFF | 1 |
| 46 | 13309 | PRINCIPLES OF CLINICAL GASTROENTEROLOGY 2 ED | YAMADA | 1 |
| 47 | 13312 | CHAMBERLAIN'S SYMPTOMS IN CLINICAL MEDICINE 13 ED | HOUGHTON | 1 |
| 48 | 13313 | A MANUAL ON CLINICAL SURGERY 9 ED | DAS | 1 |
| 49 | 13314 | MANUAL OF GASTROENTEROLOGY 4 ED | AVUNDUK | 1 |
| 50 | 13315 | CURRENT DIAGNOSIS,TREATMENT IN GASTROENTEROLOGY 2 ED | GREENBERGER | 1 |
| 51 | 13316 | ZAKIM BOYERS HEPATOLOGY LIVER DISEASE 6 ED | BOYER | 1 |
| 52 | 13317 | SLEISENGER&FORDTRAN'S GASTROINTESTINAL AND LIVER 9 ED | DIMARINO | 1 |
| 53 | 13319 | GI/LIVER SECRETS PLUS 4 ED | MCNALLY | 1 |
| 54 | 13320 | GASTROENTEROLOGY AND HEPATOLOGY 2011 | EMMANUEL | 1 |
| 55 | 13321 | CLINICAL GASTROENTEROLOGY AND HEPTOLOGY | WEINSTEIN | 1 |
| 56 | 13322 | CLINICAL GASTROINTESTINAL ENDOSCOPY 2 ED | GINSBERG | 1 |
| 57 | 13323 | MANUAL OF GASTROENTEROLOGY SUB SPECIALITY | GYAWALI | 1 |
| 58 | 13324 | LIVER TRANSPLANTATION | CHAKRAVARTHY | 1 |
| 59 | 13325 | ATLAS OF CLINICAL GASTROENTEROLOGY 4 ED | YAMADA | 1 |
| 60 | 13326 | YEAR BOOK OF GASTROENTEROLOGY – 2010 | TALLEY | 1 |
| 61 | 13327 | GASTROENTEROLOGICAL ENDOSCOPY 2 ED | CLASSEN | 1 |
| 62 | 13328 | SLEISENGER&FORDTRAN'S GASTROINTESTINAL AND LIVER 1&2 10 ED | FELDMAN | 1 |
| 63 | 13329 | SLEISENGER&FORDTRAN'S GASTROINTESTINAL AND LIVER 1&2 10 ED | FELDMAN | 1 |
| 64 | 13430 | CLINICAL GASTROINTESTINAL ENDOSCOPY | GLINBERG | 1 |
| 65 | 13431 | HISTORY OF GASTROENTEROLOGY | CHEN | 1 |
| 66 | 13434 | PORTAL HYPERTENSION | ROSSI | 1 |
| 67 | 13435 | PANCREATIC TRANSPLANATION | CORRY | 1 |
| 68 | 13436 | MEDICAL CARE OF THE LIVER TRANSPLANT PATIENT | KILLENBERG | 1 |
| 69 | 15634 | MANUAL OF DIAGNOSTIC ULTRASOUND 1ST | P.E.S.PALMER | 1 |
| 70 | 15643 | TEXT BOOK OF COLOR DOPPLER IMAGING 2ND | SATISH K BHARGAVA | 1 |
| 71 | 18092 | PRACTICAL GASTROENTEROLOGY 1ST | V BALAKRISHNA | 1 |
| 72 | 18857 | PRACATICAL GASTROENTEROLOGY 1ST | V BALAKRISHNAN | 1 |
| 73 | 18859 | ATLAS OF DIAGNOSTIC ENDOSCOPY 2ND | MOHAMMAD IBRARULLAH | 1 |
| 74 | 18860 | ATLAS OF GASTROINTESTINAL IMAGING 1ST | SUNITHA LINGAREDDY | 1 |
| 75 | 19890 | HANDBOOK OF LIVER DISEASES,WITH EXPERT CONSULT 1ST | LAWERENCE S.FRIEDMAN | 1 |
| 76 | 21664 | AN AID TO GASTROINTESTINAL ENDOSCOPY 1ST | SAMUEL | 1 |
| 77 | 21672 | CLINICAL GASTROENTEROLOGY 3RD | MEHTA | 1 |
| 78 | 22437 | DIAGNOSIS AND MANAGEMENT OF LIVER DISEASE 1ST | RALPH KIRSCH | 1 |
| 79 | 15635 | MANUAL OF DIAGNOSTIC ULTRASOUND | PALMER | 1 |
| 80 | 25746 | SLEISENGER AND FORDTRANS GASTROINTESTINAL AND LIVER DISEASE VOL-2 10TH | FELDMAN | 1 |
| 81 | 25749 | ENDOSONOGRAPHY 3RD | ROBERT | 1 |
| 82 | 25752 | PEDIATRIC GASTROENTESTINAL AND LIVER DISEASE 5TH | WYLLIE | 1 |
| 83 | 26457 | ZAKIM AND BAYERS HEPATOLOGY 7TH | ZAKIM AND BAYERS | 1 |
| 84 | 26458 | NETTERS GASTROENTOROLOGY 2ND | MARTIN FLOCH | 1 |
| 85 | 26460 | ATLAS OF CLINICAL GASTROINTESTINAL ENDOSCROPY 3RD | MEL WILCOX | 1 |
| 86 | 26462 | CAPSULE ENDOSCOPY 1ST | DOUGLAS | 1 |
| 87 | 26464 | ENDOSONOGRAOPHY 3RD | ROBERT HAWES | 1 |
| 88 | 26466 | HAND BOOK IOF LIVER DISEASE 3RD | FRIEDMAN | 1 |
| 89 | 26468 | GASTROINSTINAL ENDOSCOPY PRACTICE 1ST | JEAN CANARD | 1 |
| 90 | 26470 | GI AND LIVER SECRETS PLUS 1ST | MC ALLY | 1 |
| 91 | 26473 | WALKER'S PAEDIATRIC GASTROINTESTINAL DISEASE PHYSIOLOGY DIAGNOSIS MANAGEMENT -1 5TH | RONALD KLEINMAN | 1 |
| 92 | 26475 | WALKER'S PAEDIATRIC GASTROINTESTINAL DISEASE PHYSIOLOGY DIAGNOSIS MANAGEMENT -2 5TH | RONALD KLEINMAN | 1 |
| 93 | 26476 | PRACTICAL GASTROENTEROLOGY 2ND | V BALAKRISHNAN | 1 |
| 94 | 26478 | ATLAS OF CLINICAL GASTROENTEROLOGY 3RD | FORBES | 1 |
| 95 | 26645 | TEXTBOOK OF PEDIATRIC GASTROENTEROLOGY,HEPATOLOGY AND NUTRITION 1ST | SIBAL ANUPAM | 1 |
| 96 | 26648 | TEXTBOOK OF HEPATO-GASTROENTEROLOGY 1ST | HASAN MAHMUD | 1 |
| 97 | 27662 | GASTROINTESTINAL CANCERS 1ST | PRATEEK SHARMA | 1 |
| 98 | 27665 | RECENT ADVANCES IN GASTROENTERNOLOGY – 13 1ST | CHRIS RPOBERT | 1 |
| 99 | 27666 | PRACTICAL GASTROENTEROLOGY 2ND | BALAKRISHNA | 1 |
| 100 | 27669 | SCHIFF'S DISEASE OF THE LOVER 12TH | R SCHIFF | 1 |
| 101 | 27670 | SHERLOCK'S DISEASE OF THE LIVER AND BILLIARY SYSTEM 12TH | JAMES S. DOOLEY | 1 |
| 102 | 28970 | SLEISENGER AND FORDTRAN'S GASTROINTESTINAL AND LIVER DISEASE VOL – 1 | FELDMAN | 1 |
| 103 | 28971 | SLEISENGER AND FORDTRAN'S GASTROINTESTINAL AND LIVER DISEASE VOL – 2 | FELDMAN | 1 |
| 104 | 28972 | TEXTBOOK OF GASTROINTESTINAL RADIOLOGY | GORE & LEVINE | 1 |
| 105 | 28973 | YAMADA'S TEXTBOOK OF GASTROENTEROLOGY VOL – 1 | WANG | 1 |
| 106 | 28974 | YAMADA'S TEXTBOOK OF GASTROENTEROLOGY VOL – 2 | WANG | 1 |
| 107 | 28975 | YAMADA'S TEXTBOOK OF GASTROENTEROLOGY VOL – 3 | WANG | 1 |
| 108 | 28976 | ABDOMINAL ULTRASOUND (HOW WHY AND WHEN) | DAVIDSON | 1 |
| 109 | 28977 | ENDOSCOPY IN EARLY GASTROINTESTINAL CANCERS VOL – 1 | CHIU | 1 |
| 110 | 28978 | ADVANCES IN GASTROINTESTINAL ENDOSCOPY | PIERS CARR | 1 |
| 111 | 28979 | HANDBOOK OF GASTROENTEROLOGIC PROCEDURES | BARON LAW | 1 |
| 112 | 28980 | PEDIATRIC GASTROENTEROLOGY 51 CLINICAL QUESTIONS & ANSWERS | PANKAJ VOHRA | 1 |
| 113 | 28982 | PRACTICAL GASTROENTEROLOGY | ANDREW TUCKER | 1 |
| TOTAL NO. OF BOOKS | 113 |
| SL.NO | NAME OF THE JOURNAL | FULL TEXT | PUBLISHER/CONSORTIUM | INDIAN/ FOREIGN | ONLINE/OFFLINE | AVAILABLE UP TO |
| 1 | INDIAN JOURNAL OF COLO-RECTAL SURGERY | FULL TEXT | DELNET | INDIAN | ONLINE | 2018-2025 |
| 2 | INDIAN JOURNAL OF CANCER | FULL TEXT | DELNET | INDIAN | ONLINE | 2003-2025 |
| 3 | INDIAN JOURNAL OF OCCUPATIONAL AND ENVIRONMENTAL MEDICINE | FULL TEXT | DELNET | INDIAN | ONLINE | 2003-2025 | INTERNATIONAL JOURNALS |
| 4 | ADVANCES IN NUTRITION | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2010-2026 |
| 5 | ANNALS OF HEPATOLOGY | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2014-2026 |
| 6 | BEST PRACTICE & RESEARCH: CLINICAL GASTROENTEROLOGY | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2007-2025 |
| 7 | CELLULAR AND MOLECULAR GASTROENTEROLOGY AND HEPATOLOGY | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2015-2026 |
| 8 | CLINICAL COLORECTAL CANCER | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2007-2025 |
| 9 | CLINICAL GASTROENTEROLOGY AND HEPATOLOGY | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2007-2026 |
| 10 | CLINICAL NUTRITION | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2007-2026 |
| 11 | CLINICS AND RESEARCH IN HEPATOLOGY AND GASTROENTEROLOGY | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2011-2026 |
| 12 | CLINICS IN LIVER DISEASE | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2007-2025 |
| 13 | DIGESTIVE AND LIVER DISEASE | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2007-2025 |
| 14 | GASTROENTEROLOGY | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2007-2026 |
| 15 | GASTROENTEROLOGY CLINICS OF NORTH AMERICA | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2007-2025 |
| 16 | GASTROENTEROLOGY AND HEPATOLOGY (ENGLISH EDITION) | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2016-2025 |
| 17 | GASTROENTEROLOGY & ENDOSCOPY | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2023-2026 |
| 18 | GASTRO HEP ADVANCES | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2022-2026 |
| 19 | GASTROINTESTINAL ENDOSCOPY | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2007-2026 |
| 20 | GASTROINTESTINAL ENDOSCOPY CLINICS OF NORTH AMERICA | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2007-2025 |
| 21 | GASTROINTESTINAL INTERVENTION | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2012-2015 |
| 22 | HEPATOBILIARY & PANCREATIC DISEASES INTERNATIONAL | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2011-2025 |
| 23 | HPB | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2011-2025 |
| 24 | JOURNAL OF COLOPROCTOLOGY | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2013-2020 |
| 25 | JOURNAL OF HEPATOLOGY | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2007-2026 |
| 26 | JOURNAL OF LIVER TRANSPLANTATION | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2021-2026 |
| 27 | SEMINARS IN COLON AND RECTAL SURGERY | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2007-2025 |
| 28 | SURGERY FOR OBESITY AND RELATED DISEASES | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2007-2025 |
| 29 | TECHNIQUES AND INNOVATIONS IN GASTROINTESTINAL ENDOSCOPY | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2020-2026 |
| 30 | TECHNIQUES IN GASTROINTESTINAL ENDOSCOPY | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2007-2019 |
| 31 | BEST PRACTICE & RESEARCH: CLINICAL GASTROENTEROLOGY | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2007-2025 |
| 32 | HEPATOBILIARY AND PANCREATIC DISEASES INTERNATIONAL | FULL TEXT | CLINICAL KEY | FOREIGN | ONLINE | 2011-2025 |
| 33 | CLINICAL LIVER DISEASE | FULL TEXT | DELNET | FOREIGN | ONLINE | 2012-2024 |
| 34 | CLINICAL ENDOSCOPY | FULL TEXT | DELNET | FOREIGN | ONLINE | 2000-2025 |
| 35 | UNITED EUROPEAN GASTRENTEROLOGY JOURNAL | FULL TEXT | DELNET | FOREIGN | ONLINE | 2013-2026 |
| 36 | GASTROENTEROLOGY RESEARCH AND PRACTICE | FULL TEXT | DELNET | FOREIGN | ONLINE | 2008-2025 |
| 37 | GUT AND LIVER | FULL TEXT | DELNET | FOREIGN | ONLINE | 2020-2025 |
| 38 | WORLD JOURNAL OF GASTROENTEROLOGY | FULL TEXT | DELNET | FOREIGN | ONLINE | 1995-2026 |
| 39 | DISEASES OF THE COLON AND RECTUM | Full Text | OVID | FOREIGN | ONLINE | 2015-2026 |
| 40 | JOURNAL OF CLINICAL GASTROENTEROLOGY | Full Text | OVID | FOREIGN | ONLINE | 2015-2026 |
| 41 | BMJ OPEN GASTROENTEROLOGY | Full Text | BMJ | FOREIGN | ONLINE | 2014-2026 |
| 42 | EGASTROENTEROLOGY | Full Text | BMJ | FOREIGN | ONLINE | 2023-2025 |
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