Hi Dr. Few months ago while walking on pavement I injured my left knee and was in excruciating pain. I was not able to stand and walk but somehow managed to reach the nearest hospital. The Orthopedic diagnosed it as Medial Collateral Ligament Strain in left knee. He prescribed some pain killers and TendoShot Capsules. The pain subsided after a week of medication. After that, on the advice of the Orthopedic, I went to see a Physiotherapist for therapy sessions. But even after more than a month of therapy sessions, I am yet to get fully recovered. Even though there is no apparent issue in walking but I still don't have enough strength in my knee to climb stairs. I need your advice as to what needs to be done here.