Over Moms Knee Wt Is The Procedure To Replace A Leg Knee(paining A Lot) Due To Depreciation Because Of Age & Over Weight?

Wt is the procedure to replace a leg knee(paining a lot) due to depreciation Because of age & over weight? - over moms knee

My mother has a sore knee in both legs by the age of 55 and overweight, now wants to replace up to his knees and the elimination of pain. treatment costs in hospitals Hubli Karnataka.