Interferential therapy uses electrical pulses to stimulate nerves and muscles in the body to help relieve pain. Interferential therapy(IFT) has been used for treatment of Joint stiffness, body pain, reducing Inflemmation,edema. It also helps in blood Circulation and promote healing process by pain gate theory to stimulate endorphins. All over the world, research studies and case studies have been documented for the effectivness of interferential therapy.