A twice-born man who performs (the Krikkhra penance), revealed by Pragapati, shall eat during three days in the morning (only), during (the next) three days in the evening (only), during the (following) three days (food given) unasked, and shall fast during another period of three days.
(Subsisting on) the urine of cows, cowdung, milk, sour milk, clarified butter, and a decoction of Kusa-grass, and fasting during one (day and) night, (that is) called a Samtapana Krikkhra.
A twice-born man who performs an Atikrikkhra (penance), must take his food during three periods of three days in the manner described above, (but) one mouthful only at each meal, and fast during the last three days.
A Brahmana who performs a Taptakrikkhra (penance) must drink hot water, hot milk, hot clarified butter and (inhale) hot air, each during three days, and bathe once with a concentrated mind.