One among the
Ashtanga Yoga, Niyamas are classified into five according to Yoga Sutra. Niyamas have 11 classifications in
Bhagavata Purana.
Five niyamas in Yoga Sutra are Shaucha (purity), Santosha (contentment), Tapa (austerity), Swadhyaya (self-education) and Ishwar-Pranidhan (meditation on the Divine).
