Declension table of niyatavrata

Neuter	Singular	Dual	Plural
Nominative	niyatavratam	niyatavrate	niyatavratāni
Vocative	niyatavrata	niyatavrate	niyatavratāni
Accusative	niyatavratam	niyatavrate	niyatavratāni
Instrumental	niyatavratena	niyatavratābhyām	niyatavrataiḥ
Dative	niyatavratāya	niyatavratābhyām	niyatavratebhyaḥ
Ablative	niyatavratāt	niyatavratābhyām	niyatavratebhyaḥ
Genitive	niyatavratasya	niyatavratayoḥ	niyatavratānām
Locative	niyatavrate	niyatavratayoḥ	niyatavrateṣu

Compound niyatavrata -

Adverb -niyatavratam -niyatavratāt