Declension table of vīravrata

Neuter	Singular	Dual	Plural
Nominative	vīravratam	vīravrate	vīravratāni
Vocative	vīravrata	vīravrate	vīravratāni
Accusative	vīravratam	vīravrate	vīravratāni
Instrumental	vīravratena	vīravratābhyām	vīravrataiḥ
Dative	vīravratāya	vīravratābhyām	vīravratebhyaḥ
Ablative	vīravratāt	vīravratābhyām	vīravratebhyaḥ
Genitive	vīravratasya	vīravratayoḥ	vīravratānām
Locative	vīravrate	vīravratayoḥ	vīravrateṣu

Compound vīravrata -

Adverb -vīravratam -vīravratāt