Declension table of ?tatvaṅgāna

Neuter	Singular	Dual	Plural
Nominative	tatvaṅgānam	tatvaṅgāne	tatvaṅgānāni
Vocative	tatvaṅgāna	tatvaṅgāne	tatvaṅgānāni
Accusative	tatvaṅgānam	tatvaṅgāne	tatvaṅgānāni
Instrumental	tatvaṅgānena	tatvaṅgānābhyām	tatvaṅgānaiḥ
Dative	tatvaṅgānāya	tatvaṅgānābhyām	tatvaṅgānebhyaḥ
Ablative	tatvaṅgānāt	tatvaṅgānābhyām	tatvaṅgānebhyaḥ
Genitive	tatvaṅgānasya	tatvaṅgānayoḥ	tatvaṅgānānām
Locative	tatvaṅgāne	tatvaṅgānayoḥ	tatvaṅgāneṣu

Compound tatvaṅgāna -

Adverb -tatvaṅgānam -tatvaṅgānāt