Declension table of ?pratyudgamana

Neuter	Singular	Dual	Plural
Nominative	pratyudgamanam	pratyudgamane	pratyudgamanāni
Vocative	pratyudgamana	pratyudgamane	pratyudgamanāni
Accusative	pratyudgamanam	pratyudgamane	pratyudgamanāni
Instrumental	pratyudgamanena	pratyudgamanābhyām	pratyudgamanaiḥ
Dative	pratyudgamanāya	pratyudgamanābhyām	pratyudgamanebhyaḥ
Ablative	pratyudgamanāt	pratyudgamanābhyām	pratyudgamanebhyaḥ
Genitive	pratyudgamanasya	pratyudgamanayoḥ	pratyudgamanānām
Locative	pratyudgamane	pratyudgamanayoḥ	pratyudgamaneṣu

Compound pratyudgamana -

Adverb -pratyudgamanam -pratyudgamanāt