Declension table of ?nārāyaṇīyatantra

Neuter	Singular	Dual	Plural
Nominative	nārāyaṇīyatantram	nārāyaṇīyatantre	nārāyaṇīyatantrāṇi
Vocative	nārāyaṇīyatantra	nārāyaṇīyatantre	nārāyaṇīyatantrāṇi
Accusative	nārāyaṇīyatantram	nārāyaṇīyatantre	nārāyaṇīyatantrāṇi
Instrumental	nārāyaṇīyatantreṇa	nārāyaṇīyatantrābhyām	nārāyaṇīyatantraiḥ
Dative	nārāyaṇīyatantrāya	nārāyaṇīyatantrābhyām	nārāyaṇīyatantrebhyaḥ
Ablative	nārāyaṇīyatantrāt	nārāyaṇīyatantrābhyām	nārāyaṇīyatantrebhyaḥ
Genitive	nārāyaṇīyatantrasya	nārāyaṇīyatantrayoḥ	nārāyaṇīyatantrāṇām
Locative	nārāyaṇīyatantre	nārāyaṇīyatantrayoḥ	nārāyaṇīyatantreṣu

Compound nārāyaṇīyatantra -

Adverb -nārāyaṇīyatantram -nārāyaṇīyatantrāt