To overview literature regarding the role of interferential therapy in osteoarthritis knee and synthesize the findings of literature retrieved f(1)rom searches of computerized databases and authoritative texts The purpose of the study was an effort to find out the efficacy of Pulsed electromagnetic Energy & Interferential Therapy to control the pain in osteoarthritis of(2)To design and carry out a randomized controlled trial of a complex, physical therapy based intervention for patello-femoral joint (PFJ) osteoarthritis (OA) of the knee, examining medium to long(3)term outcomes.METHODS: The subjects were drawn from a large population-based research and experienced knee discomfort and PFJ OA.The objective of physiotherapy is to provide pain free and functionally acceptable joint. To control pain suitable electrotherapeutic modalities are preferably be used like TENS, IFT, US, LASER etc. Exercise programme includes ROM exercises, strengthening exercises, joint mobilization, stretches, functional training, aerobic exercises etc. All these exercises or techniques help the muscleand the joints function to their greatest capacity, helping to restore injury by hastening recovery and lowering pain and distressat knee joint.It is a common cause of disability worldwide. Aim of the study is to compare the effect of weight bearing exercises on wobble board and stable platform in improving balance and functional outcome by the pre and post analysis.(4)