Langhanam in a broader term means therapies that are intended to deplete or lighten the body. In common langhanam is referred to Fasting, which is one of the cleansing procedure adopted to remove any abnormally heavy component in the body. Fasting or langhanam is much indicated in cases which require elimination of accumulated doshas especially the kapha or morbid matter in the form of ama caused due to indigestion , food habits and lifestyle. langhana is therapeutically beneficial in diseases caused due to over nutrition.