Declension table of ?mahāvartana

Neuter	Singular	Dual	Plural
Nominative	mahāvartanam	mahāvartane	mahāvartanāni
Vocative	mahāvartana	mahāvartane	mahāvartanāni
Accusative	mahāvartanam	mahāvartane	mahāvartanāni
Instrumental	mahāvartanena	mahāvartanābhyām	mahāvartanaiḥ
Dative	mahāvartanāya	mahāvartanābhyām	mahāvartanebhyaḥ
Ablative	mahāvartanāt	mahāvartanābhyām	mahāvartanebhyaḥ
Genitive	mahāvartanasya	mahāvartanayoḥ	mahāvartanānām
Locative	mahāvartane	mahāvartanayoḥ	mahāvartaneṣu

Compound mahāvartana -

Adverb -mahāvartanam -mahāvartanāt