I am having pain in my right knee continuously from 2 months and doctor advised me to take methycobal injection once in 2 days and nucoxia 90 pain killer. I am having both lower limbs disabled due to polio since childhood. X Ray report of right knee shows - particular osteoporosis, Subluxation of right knee joint, Hypoplastic bones of knee joint. X Ray report of left knee- Spiking of tibial spine is seen, tibia femoral and patella femoral joint compartments normal Blood reports- Vitamin d total is low 15.38 B 12 level is 296 normal Uric acid normal Sugar normal.Please tell.