IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-11-44882 Original Research Paper Comparative Study Of Block Characteristics of Subarachnoid Hyperbaric Bupivacaine with Fentanyl Versus Hyperbaric Bupivacaine Alone In Infraumbilical Surgeries Amit Kumar Dr. November 2022 11 11 01 02