Srimad Bhagavatam: Canto 04, Chapter 19 – King Prithu’s One Hundred Horse Sacrifices

10. Lord Brahma concluded by telling

a)   Let there be only 99 sacrificial performances for Mahraja Prthu
b)   Let there be good fortune for both the King and Indra as both are part and parcel of SPG
c)   Stop the performances of these sacrifices as they have induced Indra to introduce so many irreligious aspects
d)   All the above