Suggest Treatment For Chondromalacia

sir 8 months before i met on bike accident that time my knee was small fracture and i had treatment with doctor but right now bone is very fine but left knee was pain more i can not walk stair case i am consult with the doctor doctor told we need mri scan i take mri scan i gave the doctor doctor told chondromalacia affected your knee please take tablets, sir i need when will clear this problem and what i do please tell me sir what i eat