IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-7-42755 Original Research Paper Comparative Study b/w Clonidine and Dexmedetomidine as an adjuvant to Levo-bupivacaine In USG Guided Femoro-sciatic Nerve Block for Postoperative Analgesia After Below Knee Surgeries Under Subarachnoid Block. Urvashi Nautiyal Dr. July 2022 11 7 01 02