Declension table of ?upāvartana

Neuter	Singular	Dual	Plural
Nominative	upāvartanam	upāvartane	upāvartanāni
Vocative	upāvartana	upāvartane	upāvartanāni
Accusative	upāvartanam	upāvartane	upāvartanāni
Instrumental	upāvartanena	upāvartanābhyām	upāvartanaiḥ
Dative	upāvartanāya	upāvartanābhyām	upāvartanebhyaḥ
Ablative	upāvartanāt	upāvartanābhyām	upāvartanebhyaḥ
Genitive	upāvartanasya	upāvartanayoḥ	upāvartanānām
Locative	upāvartane	upāvartanayoḥ	upāvartaneṣu

Compound upāvartana -

Adverb -upāvartanam -upāvartanāt