Declension table of ?nārāyaṇahṛdaya

Neuter	Singular	Dual	Plural
Nominative	nārāyaṇahṛdayam	nārāyaṇahṛdaye	nārāyaṇahṛdayāni
Vocative	nārāyaṇahṛdaya	nārāyaṇahṛdaye	nārāyaṇahṛdayāni
Accusative	nārāyaṇahṛdayam	nārāyaṇahṛdaye	nārāyaṇahṛdayāni
Instrumental	nārāyaṇahṛdayena	nārāyaṇahṛdayābhyām	nārāyaṇahṛdayaiḥ
Dative	nārāyaṇahṛdayāya	nārāyaṇahṛdayābhyām	nārāyaṇahṛdayebhyaḥ
Ablative	nārāyaṇahṛdayāt	nārāyaṇahṛdayābhyām	nārāyaṇahṛdayebhyaḥ
Genitive	nārāyaṇahṛdayasya	nārāyaṇahṛdayayoḥ	nārāyaṇahṛdayānām
Locative	nārāyaṇahṛdaye	nārāyaṇahṛdayayoḥ	nārāyaṇahṛdayeṣu

Compound nārāyaṇahṛdaya -

Adverb -nārāyaṇahṛdayam -nārāyaṇahṛdayāt