Declension table of mahivrata

Neuter	Singular	Dual	Plural
Nominative	mahivratam	mahivrate	mahivratāni
Vocative	mahivrata	mahivrate	mahivratāni
Accusative	mahivratam	mahivrate	mahivratāni
Instrumental	mahivratena	mahivratābhyām	mahivrataiḥ
Dative	mahivratāya	mahivratābhyām	mahivratebhyaḥ
Ablative	mahivratāt	mahivratābhyām	mahivratebhyaḥ
Genitive	mahivratasya	mahivratayoḥ	mahivratānām
Locative	mahivrate	mahivratayoḥ	mahivrateṣu

Compound mahivrata -

Adverb -mahivratam -mahivratāt