I have studied your case.
There is possibility of knee ligament strain.
I will advise to
Partial tear can be managed conservatively with physiotherapy
with USG and TENS
and knee exercises.
If there is persistent pain after physiotherapy then arthroscopic repair may be required.
Knee exercises will help in early healing
In lying flat supine on back – move your ankle up and down[plantar flexion dorsiflexion],keeping small towel below knee-press your patella[knee cap ] on towel and hold for 15 sec,lift your leg straight alternately [10-15 times].
Lying on your tummy- flex knee alternately, make knee rotation in flexion.
Sitting on chair- extend your legs alternately [hold in extension for 15 sec]
Standing half squat taking support of wall to back.
Hope this answers your query. If you have additional questions or follow up queries then please do not hesitate in writing to us. I will be happy to answer your queries.
Wishing you good health.