Declension table of ?dānavrata

Neuter	Singular	Dual	Plural
Nominative	dānavratam	dānavrate	dānavratāni
Vocative	dānavrata	dānavrate	dānavratāni
Accusative	dānavratam	dānavrate	dānavratāni
Instrumental	dānavratena	dānavratābhyām	dānavrataiḥ
Dative	dānavratāya	dānavratābhyām	dānavratebhyaḥ
Ablative	dānavratāt	dānavratābhyām	dānavratebhyaḥ
Genitive	dānavratasya	dānavratayoḥ	dānavratānām
Locative	dānavrate	dānavratayoḥ	dānavrateṣu

Compound dānavrata -

Adverb -dānavratam -dānavratāt