IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-8-36396 Original Research Paper Efficacy Of Intraperitoneal Instillation Of 0.2% Ropivacaine For Postoperative Pain Relief After Laparoscopic Cholecystectomy Debottam Gangopadhyay Dr. August 2021 10 8 01 02