Vishnupurana 1.22.88.p1

1.22.88.p1

iti śrīviṣṇupurāṇe prathame 'ṃśe dvāvimśo 'dhyāyaḥ

Thus, Brahman, has the first portion of this Puráńa been duly revealed to you: listening to which, expiates all offences. The man who hears this Puráńa obtains the fruit of bathing in the Pushkara lake for twelve years, in the month of Kártik. The gods bestow upon him who hears this work the dignity of a divine sage, of a patriarch, or of a spirit of heaven.