Declension table of ?tatevāna

Neuter	Singular	Dual	Plural
Nominative	tatevānam	tatevāne	tatevānāni
Vocative	tatevāna	tatevāne	tatevānāni
Accusative	tatevānam	tatevāne	tatevānāni
Instrumental	tatevānena	tatevānābhyām	tatevānaiḥ
Dative	tatevānāya	tatevānābhyām	tatevānebhyaḥ
Ablative	tatevānāt	tatevānābhyām	tatevānebhyaḥ
Genitive	tatevānasya	tatevānayoḥ	tatevānānām
Locative	tatevāne	tatevānayoḥ	tatevāneṣu

Compound tatevāna -

Adverb -tatevānam -tatevānāt