Declension table of ?pratyādāna

Neuter	Singular	Dual	Plural
Nominative	pratyādānam	pratyādāne	pratyādānāni
Vocative	pratyādāna	pratyādāne	pratyādānāni
Accusative	pratyādānam	pratyādāne	pratyādānāni
Instrumental	pratyādānena	pratyādānābhyām	pratyādānaiḥ
Dative	pratyādānāya	pratyādānābhyām	pratyādānebhyaḥ
Ablative	pratyādānāt	pratyādānābhyām	pratyādānebhyaḥ
Genitive	pratyādānasya	pratyādānayoḥ	pratyādānānām
Locative	pratyādāne	pratyādānayoḥ	pratyādāneṣu

Compound pratyādāna -

Adverb -pratyādānam -pratyādānāt