IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-3-47071 Original Research Paper A Comparative Study Of Effectiveness Of Intraperitoneal Instillation Of Bupivacaine In Laparoscopic Cholecystectomy With And Without Its Instillation In Post-Operative Pain Management M.Hema Dr. Dr. Prabhu Gunasekaran Dr. March 2023 12 3 01 02