Dr. Dhar is an expert in liver, pancreatic, and biliary disorders and general gastroenterology. His core competencies span obesity, fatty liver, IBS, chronic pancreatitis, GERD, and complex endoscopic therapies. He performs diagnostics like EGD and colonoscopy as well as advanced interventions including ERCP (for CBD stones, stenting), EUS-guided biliary drainage, POEM, STER, EMR, ESD, and balloon enteroscopy. His prior appointments include Sarvodaya, Accord, Asian hospitals in Faridabad.