Narada Purana · Chapter 1.22

iti śrībṛhannāṃradīyapurāṇaṃ pūrvabhāge prathamapāde vratākhyāne mārgaśīrṣaśulkaikādaśīmāsabhya paurṇimāparyantaṃ pañcarātrivrataṃ nāmaikaviṃśo 'dhyāyaḥ
sanaka uvāca
anyad vratavaraṃ vakṣye tacchṛṇuṣva samāhitaḥ /
sarvāpāpaharaṃ puṇyaṃ sarvalokopakārakam

āṣāḍhre śrāvaṇe vāpi tathā bhādrapade 'pi ca /
tathaivāśvinake māse kuryādetadvataṃ dvija

eteṣvanyatame māse śulkapakṣe jitendriyaḥ /
prāśayetpañcagavyaṃ ca svapedviṣṇusamīpataḥ

tataḥ prātaḥ samutthāya nityakarma samāpya ca /
śraddhayā pūjayedviṣṇuṃ vaśī krodhavivārjitaḥ

vidvadbhiḥ sahito viṣṇumarcayitvā yathocitam /
saṃkalpaṃ tu tataḥ kuryāstvasti vācanapūrvakam

māsamekaṃ nirāhāro hyadyaprabhṛti keśava /
māsāntaṃ pāraṇaṃ kurve devadeva tavājñayā

taporupa namastubhyaṃ tapasāṃ phala dāyaka /
mamābhūṣṭapradaṃ dehi sarvavinghānnivāraya

evaṃ samarpya devasya viṣṇormāsavrataṃ śubham /
tataḥ prabhṛti māsāntaṃ nivaseddharimandire

pratyahaṃ snāpayeddevaṃ pañcāmṛtavidhānataḥ /
dīpaṃ nirantaraṃ kuryāttasminmāse harergṛhe

pratyahaṃ khādayetkāṣṭhaṃ hyapāmārga samudbhavam /
tataḥ snāyīta vidhinnārāyaṇaparāyaṇaḥ

tataḥ saṃsnāpayedviṣṇuṃ pūrvavatprayator'cayet /
brāhmaṇānbhojayecchaktyā bhaktiyuktaḥ sada kṣiṇam

svayaṃ ca bandhubhiḥ sārddhaṃ bhuñjīta prayatendriyaḥ /
evaṃ māsopavāsāṃśca vratī kuryāt trayodaśa

varṣānte vedaviduṣe gāṃ pradadyātsa dakṣiṇām /
bhojayedvrāhmāṇāṃstatra dvādaśaiva vidhānataḥ /
śaktyā ca dakṣiṇāṃ dadyādrūhyaṇyābharaṇāni ca

māsopavāsatritayaṃ yaḥ kuryātsaṃyate ndriyaḥ /
ātporyāmasya yajñatya dviguṇaṃ phalamaśnute

catuḥ kṛtvaḥ kṛtaṃ yena pārākaṃ munisattama /
sa labhetparamaṃ puṇyamaṣṭāngiṣṭomasaṃbhavam

pañcakṛtvo vratamidaṃ kṛtaṃ yena mahātmanā /
atyangiṣṭomajaṃ puṇyaṃ dviguṇaṃ prāpnuyānnaraḥ

māsopavāṣaṭkaṃ yaḥ karoti susamāhitaḥ /
jyotiṣṭo syanga yajñasya phalaṃ so 'ṣṭaguṇaṃ labhet

nirāhāraḥ satpakṛtvo naro māsopavāsakān /
aśvamedhasya yajñasya phalamaṣṭaguṇaṃ labhet

māso pāvāsānyaḥ kuryādaṣṭakṛtvo munīśvara /
naramedhākhyayajñasya phalaṃ pañcaguṇaṃ labhet

yastu māsopavāsāṃśca navakṛtvaḥ samācaret /
gomedhamakhajaṃ puṇyaṃ labhate triguṇaṃ naraḥ

daśakṛtvastu yaḥ kuryātparākaṃ munisattama /
sa brahmamedhayajñasya triguṇaṃ phalamaśnute

ekādaśa parākāṃśca yaḥ kuryātsaṃyatendriyaḥ /
sa yāti harisārupyaṃ sarvabhogasamanvitam

trayodaśa parākāṃśca yaḥ kuryātprayato naraḥ /
sa yāti paramānandaṃ yatra gatvā na śocati

māsopavāsaniratā gaṅgāsnānaparāyaṇāḥ /
dhamamāgapravaktāro muktā eva na saśaṃyaḥ

avīrābhiryatibhirbrahyacāribhiḥ /
māsopavāsaḥ karttavyo vanasthaiśca viśeṣataḥ

nārī vā puruṣo vāpi vratametatsudurlabham /
kṛtvā mokṣamavānpoti yogināmapi durlabham

gṛhastho vānaprastho vā vratī vā bhikṣureva vā /
mūrkho vā paṇḍito vāpi śrutvaitanmokṣabhāgbhavet

idaṃ puṇyaṃ vratākhyānaṃ nārāyaṇa parāyaṇaḥ /
śṛṇuyādvācayedvāpi sarvapāpaiḥ pramucyate