Sirovasti is the most intensive, potent external oil application. Sirovasti is a special technique to administer medicated oil on the head. The patient is made to sit upright on a wooden stool and medicated oil is applied on body and head. Then a cap made of flexible leather, open on both sides, is fitted on the head and the prescribed medicated oil, slightly warm, is poured onto the cap. The oil is allowed to remain inside the cap for about 45 minutes or till the manifestation of proper signs of efficient treatment, whichever is earlier, and drained out. Afterwards the head is wiped with a clean dry cotton cloth. Again medicated oil is applied on the body and head and the patient is given body bath in warm water.