IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-9-36534 Original Research Paper Comparing the post-operative analgesia using ropivacaine in laparoscopic cholecystectomy by three different methods-a comparative study Nimta Kishore Dr. Dr Narendra Singh Poniya Dr. September 2021 10 9 01 02