IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-3-34124 Original Research Paper Comparative Study between Epidural Bupivacaine with Buprenorphine and Epidural Bupivacaine for Post-operative Analgesia in Abdominal and Lower Limb Surgery Anant Prakash Dr. Dr. Chandeshwar Choudhary Dr. March 2021 10 3 01 02