Over 20 years experience in pediatric gastroenterology. Special interest in Celiac disease, Helicobacter pylori, Eosinophilic esophagitis, Aerodigestive disorders, IBD, food intolerances, Hepatitis B and Hepatitis C. Authored a book - Celiac disease - A Comprehensive Guide for health care providers, patients and their families. Website - Celiacindia.org.in