One verse

Srimad Bhagavatam 6.13.18

6.13.18

तं च ब्रह्मर्षयोऽभ्येत्य हयमेधेन भारत । यथावद्दीक्षञ्चक्रु: पुरुषाराधनेन ह ॥ १८ ॥

tam ca brahmarsayo ’bhyetya hayamedhena bharata yathavad diksayam cakruh purusaradhanena ha

tam
him (Lord Indra)
ca
and
brahma-rsayah
the great saints and brahmanas
abhyetya
approaching
hayamedhena
with an asvamedha sacrifice
bharata
O King Pariksit
yathavat
according to the rules and regulations
diksayam cakruh
initiated
purusa-aradhanena
which consists of worship of the Supreme Person, Hari
ha
indeed.

O King, when Lord Indra reached the heavenly planes, the saintly brahmanas approached him and properly initiated him into a horse sacrifice (asvamedha-yajna) meant to please the Supreme Lord.