-        Gastrointestinal, liver, pancreatic and cardiac pathology.

                                       I.  Study of stem cell in normal, non-neoplastic and neoplastic esophageal mucosa (ICMR).

                                      II.          To study the prevalence of High and low risk HPV in normal, pre-malignant and carcinoma of esophagus by QPCR (DBT).

                                    III.          Indian Childhood Cirrhosis- role of Autophagy in disease pathobiology (ICMR)

                                   IV.          Role of autophagy in Adult Celiac Disease (ICMR)

                     V.     Hep B virus gentypes in occult HBV infection in liver tissue

Research Completed

1. Study of prevalence of Helicobacter pylori  in post -operative stomach following duodenal ulcer surgery.
2. Presence of Helicobacter pylori in patients of reflux esophagitis.
3. Evaluation of Silver stained nucleolar organizer regions (AgNOR) in colorectal cancer.
4. Evaluation of the effect of colloidal bismuth subcitrate on platelet function in helicobacter pylori positive patients.
5. Comparative Evaluation of examination of stool, duodenal aspirate, mucosal brush smear, mucosal impression smear and duodenal.biopsy in the diagnosis of Girdia Lamblia infection.
6. Study of duodenal disachharidasis in chronic smokers.
7. Study of duodenal dischharidase levels in Giardiasis
8. Helicobaeter pylori infection in chronic smokers with non ulcer dyspepsia.
9. 14C urea brath test in Helicobacter pylori negative subjects.
10. Charaterisation of the serological response to Helicobacter pylori.
11. Endoscopy gastric Acid secretion and Helicobacter pylori in duodenal ulcer perforation patients treated by simple closure a prospective study.
12. A clinico-pathologic study of Diversion Colitis and proctitis.
13. Incidence of adenomatous hyperplasia in cirrhotic livers and study of cellular proliferative indices by light microscopy.
14. Study of effect of alcohol on gastric morphology and function
15. Histopathological changes in squamous cell carcinoma of the oesophagus following preoperative chemotheraphy
16. A study of small bowel function and morphology in chronic alcoholics.
17. Clinicopathological outcome of neonatal obstructive cholangiopathy in a tertiary care center.
18. Primary mediastinal tumours - a clinicopathological study.
19. Endoscopic evaluation of children with juvenile rheumatoid arthritis receiving NSAIDs
20. Family screening of celiac disease.
21. Study of normal jejunal microflora and histology and its alteration following omeprazole therapy.
22. Study of histomorphology and immunohistochemistry in cases of IPSID in comparison with small intestinal non-hodgkin's lymphoma
23. Hirschprung's disease- a study of the clinical spectrum and investigative protocol.
24. Prevalence of co-existence of adenomas and carcinoma in colorectal carcinoma. A PGI sample study
25. P53 and mdm2 expression in colorectal carcinoma, a correlative analysis with clinical staging and histological parameters.
26. To study the factors responsible for acute exacerbation of idiopathic ulcerative colitis with special reference to role of infections
27. A study of the spectrum of abdominal mosses in children underlying surgical management.
28. Study of oxidative-stress mechanism in isoniazid-rifampicin hepatic injury in malnourished rats.
29. Study of Hepatoprotective effects of N-acetylcysteine in isoniazid- rifampicin hepatic injury.
30. Expression pattern of tumour suppressor and promotor genes and anti-oxidant defense system in Esophageal Carcinoma.Status of lymphocytic infiltration, their activation and expression of adhesion molecules in valves from cases of rheumatic heart disease.

31. micro RNAses in cancer

32. Occult Hep B virus in liver tissue

1. National Academy of Medical Sciences, India.
2. Indian Society of Gastroenterology.
3. Indian Association of Pathologist and Microbiologist. 4. International Academy of Pathology Indian Chapter. 5. Indian Association for Cancer Research. 6. Indian Association of study of liver. 7. Indian Association of the Science Congress. 8 Indian Medical Association  9. American Association for Cancer Research      10      Third World Country Women in Science (TWOWS) 11.Fellow of International Union Against Cancer (UICC). 12. Fellow of Indian College of Pathologist.