Advice.
Avoid sitting cross legged.
Avoid squatting- quadriceps exercises- lie straight, make a towel role and put it under the knee, press the keen against the role, hold it for 20 secs. Repeat 20 times twice a day. This will help relieve some pain. Core strengthening exercise- straight leg raised with toes turned outward, repeat 10 times, twice a day.
Hams stretching- lie straight, take the leg up, pull the feet towards yourself, with a elastic tube or normal belt. Repeat 10 times, twice a day.
Sports taping- stretch the tape from both ends and apply on the affected area contrast fomentation (hot and cold).