Declension table of ?undāna

Neuter	Singular	Dual	Plural
Nominative	undānam	undāne	undānāni
Vocative	undāna	undāne	undānāni
Accusative	undānam	undāne	undānāni
Instrumental	undānena	undānābhyām	undānaiḥ
Dative	undānāya	undānābhyām	undānebhyaḥ
Ablative	undānāt	undānābhyām	undānebhyaḥ
Genitive	undānasya	undānayoḥ	undānānām
Locative	undāne	undānayoḥ	undāneṣu

Compound undāna -

Adverb -undānam -undānāt