It may be due to arthritis of knees and ankle
Please get an x-ray done of knee joints
Do some exercises i will send it you. Like isometric and quadriceps of knees
Do hot water formantation at knees and ankles.
Apply Rhumasyl oil for gental massage on your pain areas
Next Steps
Any past history like chikanguniya fever, or rh factor positive?
I think it may be oestioarthritis of knees and ankle
So its gone by exercising,
Health Tips
Avoid long sitting or standing,
Please reduces your weight.
Thank you for massaging us.
I wish you get well soon.