Hi.. I am 50 male (India), feeling pain in my below of right knee since almost 10 years, earlier I was doing jogging, brisk walking , playing badminton, but now I am feeling under my right knee pain in walking also. I have get it checked, MRI, Xray, which shows tear in ligament, Doctor advise operation , but I am not in position to be operated, Please advise. I am taking etogesic-ER for pain relief, vitamin D , Collaflex , calcium tablet, but to relief.