Dr Gowri Singh is the Best Hernia Surgeon, Hernia Doctor, Hernia Specialist in Viman Nagar, Kalyani Nagar, Koregaon Park, Vishrantwadi, Kharadi, Wagholi and Pune. A hernia occurs when an organ or fatty tissue squeezes through a weak spot in a surrounding muscle or connective tissue called fascia. The most common types of hernia are inguinal (inner groin), incisional (resulting from an incision), femoral (outer groin), umbilical (belly button), and hiatal (upper stomach).