Declension table of ?tatevāna

Masculine	Singular	Dual	Plural
Nominative	tatevānaḥ	tatevānau	tatevānāḥ
Vocative	tatevāna	tatevānau	tatevānāḥ
Accusative	tatevānam	tatevānau	tatevānān
Instrumental	tatevānena	tatevānābhyām	tatevānaiḥ tatevānebhiḥ
Dative	tatevānāya	tatevānābhyām	tatevānebhyaḥ
Ablative	tatevānāt	tatevānābhyām	tatevānebhyaḥ
Genitive	tatevānasya	tatevānayoḥ	tatevānānām
Locative	tatevāne	tatevānayoḥ	tatevāneṣu

Compound tatevāna -

Adverb -tatevānam -tatevānāt