Are you suffering from Gallstone and Looking to visit Gallbladder Stone Specialist? Gallbladder Stone Surgeon in Pune? Best Gallstone Doctor in Kalyani Nagar, Viman Nagar, Koregaon Park, Kharadi, Pune? Visit Dr Gowri Singh is the renowned and most reliable and one of the Best Gallstone Doctor in Kalyani Nagar, Viman Nagar, Koregaon Park, Kharadi, Pune. What happens when you have gallstones? Gallstones can block the tubes (ducts) through which bile flows from your gallbladder or liver to your small intestine. Severe pain, jaundice and bile duct infection can result. Blockage of the pancreatic duct.