In the Gita we learnt the four main among the various kinds of sacrifices, yagna. These are: (i) Dravya Yagna, sacrifice of material possessions, (ii) Tapah Yagna, sacrifice in tapasya or mortification in strict penances, (iii) Yoga yagna, practice of the eight-limbed yoga (of sage Patanjali) – Yama... Sign in to see full entry.