Inclusion Criteria:  Subjects with chronic OA (symptoms for more than 3 months). Subjects willing to participate and take treatment. Grade of 2 to 3 as per Kellegren and Lawrence radiographic classification.  Exclusion Criteria:  Subjects having any systemic joint pathologies, inflammatory joint disease (e.g.  Rheumatoid arthritis, gouty arthritis, psoriatic arthritis).  Subjects who had any neurological deficit (paresthesia, sensory loss, radiculopathy, myelopathy any mental illness (Dementia, Alzheimer's, Parkinson disease etc.) that can affect orientation and concentration. Subjects on medication like antidepressants, corticosteroid, and anti-inflammatory medications. Peripheral vascular diseases. Any history of surgery related to lower extremity. Subjects having metal implants in the lower limb