Finding of gall bladder carcinoma intra operatively or as a histo-pathological surprise after cholecystectomy done for primary benign disease is called an incidental gallbladder carcinoma. The study was done to review intraoperative diagnosis of ca gallbladder and their management. In this study it was seen that rate of detection of incidental ca gallbladder has increased after laparoscopic technique. This incidental finding has altered the management and outcome of the disease.