First treadmill running is not advisable until unless u got a treadmill with shock absorbers on all the legs and moreover that should have evenly balanced .. only certain company's have good feedback such as precor and Acme's.. thumb rule treadmill cost should above 6 lac..
second u have to strengthen ur knees sooon.. learn advanced knee strengthening exercises with ur trainer.. GWS
Next Steps
Avoid treadmill and strengthen knee
Health Tips
U might go for knee degeneration!!