It is the procedure where by the medicated oil is retained in the knee joint for a particular duration. . The completely sealed wall boundary is made with the paste of black gram powder or wheat powder in the janu (knee joint) region. The medicated oil is heated till it becomes lukewarm. This lukewarm medicated oil is then poured in to the space inside the walled boundary in a constant and continuous stream. It is retained there for a particular period of time. The medicated oil is soaked up, heated to become lukewarm and poured back again by adding fresh oil in it. This repeated during the whole procedure. This therapy helps in chronic knee pain and compacts degenerative disorders. It gives strength to the supporting muscles of the knee joined. It is very effective in osteo arthritis of knee joined and in cases of ligament injuries.