Declension table of ?undāna

Masculine	Singular	Dual	Plural
Nominative	undānaḥ	undānau	undānāḥ
Vocative	undāna	undānau	undānāḥ
Accusative	undānam	undānau	undānān
Instrumental	undānena	undānābhyām	undānaiḥ undānebhiḥ
Dative	undānāya	undānābhyām	undānebhyaḥ
Ablative	undānāt	undānābhyām	undānebhyaḥ
Genitive	undānasya	undānayoḥ	undānānām
Locative	undāne	undānayoḥ	undāneṣu

Compound undāna -

Adverb -undānam -undānāt