Effect of Metformin on Disease Progression in Patients With Cryptogenic Cirrhosis (NASH-related Cirrhosis) With Diabetes or Impaired Glucose Tolerance or Insulin Resistance

Inclusion Criteria: 1. Age 18 years and above 2. Patients with cryptogenic cirrhosis {NASH (Nash Alcoholic Steatohepatitis)-related cirrhosis} 3. Presence of diabetes mellitus or insulin resistance Exclusion Criteria: 1. Patients with heart failure 2. Patients with acute kidney injury at the time of enrollment 3. Patients with CKD (Chronic Kidney Disease) or with S. Creatinine \> 1 mg/dL 4. Patient with active upper GI bleeding- not settled 5. Patient with SIRS/sepsis/shock 6. Patient in ICU (Intensive Care Unit) 7. Pregnancy 8. Patients with hepatocellular carcinoma 9. Patients who are not willing to participate in the study 10. Patients with any form of decompensation at the time of enrollment in the study 11. Patient with large esophageal varices/ patients who are on beta blocker other than those patients with HVPG (Hepatic Venous Pressure Gradient) non responder to betablocker 12. Patient who has already been receiving Metformin prior to enrollment in the study