Declension table of ?pratyudyāna

Neuter	Singular	Dual	Plural
Nominative	pratyudyānam	pratyudyāne	pratyudyānāni
Vocative	pratyudyāna	pratyudyāne	pratyudyānāni
Accusative	pratyudyānam	pratyudyāne	pratyudyānāni
Instrumental	pratyudyānena	pratyudyānābhyām	pratyudyānaiḥ
Dative	pratyudyānāya	pratyudyānābhyām	pratyudyānebhyaḥ
Ablative	pratyudyānāt	pratyudyānābhyām	pratyudyānebhyaḥ
Genitive	pratyudyānasya	pratyudyānayoḥ	pratyudyānānām
Locative	pratyudyāne	pratyudyānayoḥ	pratyudyāneṣu

Compound pratyudyāna -

Adverb -pratyudyānam -pratyudyānāt