hey kavi,how are you?i
first
of you need to increase on your muscle strength,dothe following
use a warm water towel and follow it with massage of your knees
statics for your quadriceps(pushing your knees down),
full range of movement for the knees in supine lying(lying on your back),sitting on the edge of the bed,later use 1kg weight and perform the bending and straightening of the legs,
reduce on walking because you have to stay from aggravating factors.