IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-14-1-61016 Original Research Paper A Comparative Study Of 0.5% Hyperbaric Levobupivacaine And 0.75% Hyperbaric Ropivacaine For Spinal Anaesthesia In Lower Limb Orthopaedic Surgeries B.P Manjula Dr. January 2025 14 1 01 02