It is a type of heliotherapy which is used to cure diseases like obesity, skin diseases and metabolic diseases. This is the best treatment for the detoxification process. In order to do this treatment, 10 to 15 lengthy banana leaves are required. This is done before 12 in the morning. Sunlight is essential for doing this process. Our Process at Praanah Nature Cure hospital is: first spread a mat. Over that place a wet blanket. Spread 5 to 6 ropes above it and then spread the banana leaves above it. Now allow the patient to lie down in the banana leaf, cover the patients with banana leaves and tie it using the ropes. Note that full-body must be covered except nose.no air must enter the body. The minimum dress is advised. This is the best way to reduce obesity since it helps to burn out so many fats and calories from the body. Toxins from the body come out in the form of water. So that you will sweat a lot. The patient should be inside banana leaves for about 20 to 40 minutes. After the treatment allow them to take a cold shower. You will feel slight tiredness and headache after this treatment. But this is very effective in reducing many kinds of diseases.