Declension table of ?prahātavya

Neuter	Singular	Dual	Plural
Nominative	prahātavyam	prahātavye	prahātavyāni
Vocative	prahātavya	prahātavye	prahātavyāni
Accusative	prahātavyam	prahātavye	prahātavyāni
Instrumental	prahātavyena	prahātavyābhyām	prahātavyaiḥ
Dative	prahātavyāya	prahātavyābhyām	prahātavyebhyaḥ
Ablative	prahātavyāt	prahātavyābhyām	prahātavyebhyaḥ
Genitive	prahātavyasya	prahātavyayoḥ	prahātavyānām
Locative	prahātavye	prahātavyayoḥ	prahātavyeṣu

Compound prahātavya -

Adverb -prahātavyam -prahātavyāt