The pain in your knee can impact your entire body in a matter of minutes. If you are experiencing knee pain, it is difficult to walk normally. You may experience pain in your knees while taking a walk and running is not feasible for you. If you’ve been suffering from knee pain for many years and the pain is unbearable, your knee requires an urgent medical treatment. The top orthopedic surgeon located in Mumbai Dr. kunal Patel recommends 3 important signs to look out for when you are required to undergo a knee replacement.