Physiological effect of kriyas: Cleansing techniques

The literal meaning of Kriya is cleansing. Kriyas are categorized into six and every one of them has a particular role to play as far as their cleansing action is concerned. The practice of Kriya is quoted with its subclassification in Hatha Yoga pradipika and Gheranda samhita. However, in this theoretical scientific article, all varieties of Kriyas described in Hatha Yoga have been explained with its physiological effects. Evidence-based findings are limited using Kriyas as the interventions; therefore, author has made an attempt to put the observed finding and unpublished observations following the practice of each Kriya technique.