IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-4-34480 Original Research Paper A Comparative study between efficacies of USG guided Genicular Nerve Block (GNB) and the conservative treatment in advanced osteoarthritis (OA) of knee Subhadeep Batabyal Dr. Dr Rathindra Nath Haldar Dr. April 2021 10 4 01 02