In this study, consecutive patients with cryptogenic cirrhosis (NASH-related cirrhosis), coming to ILBS (Institute of Liver & Biliary Sciences) OPD (Out patient Department) or getting admitted in the ward will be enrolled on fulfillment of inclusion/exclusion criteria and consent of the patient. These patients will be randomised to either metformin arm or conventional treatment arm. After enrollment these subjects will be monitored every three monthly for total of 12 months or till the primary endpoint is achieved. At the end of the study, outcome will be measured appropriately.