Declension table of ?tatvaṅgāna

Masculine	Singular	Dual	Plural
Nominative	tatvaṅgānaḥ	tatvaṅgānau	tatvaṅgānāḥ
Vocative	tatvaṅgāna	tatvaṅgānau	tatvaṅgānāḥ
Accusative	tatvaṅgānam	tatvaṅgānau	tatvaṅgānān
Instrumental	tatvaṅgānena	tatvaṅgānābhyām	tatvaṅgānaiḥ tatvaṅgānebhiḥ
Dative	tatvaṅgānāya	tatvaṅgānābhyām	tatvaṅgānebhyaḥ
Ablative	tatvaṅgānāt	tatvaṅgānābhyām	tatvaṅgānebhyaḥ
Genitive	tatvaṅgānasya	tatvaṅgānayoḥ	tatvaṅgānānām
Locative	tatvaṅgāne	tatvaṅgānayoḥ	tatvaṅgāneṣu

Compound tatvaṅgāna -

Adverb -tatvaṅgānam -tatvaṅgānāt