Declension table of ?prayātavya

Masculine	Singular	Dual	Plural
Nominative	prayātavyaḥ	prayātavyau	prayātavyāḥ
Vocative	prayātavya	prayātavyau	prayātavyāḥ
Accusative	prayātavyam	prayātavyau	prayātavyān
Instrumental	prayātavyena	prayātavyābhyām	prayātavyaiḥ prayātavyebhiḥ
Dative	prayātavyāya	prayātavyābhyām	prayātavyebhyaḥ
Ablative	prayātavyāt	prayātavyābhyām	prayātavyebhyaḥ
Genitive	prayātavyasya	prayātavyayoḥ	prayātavyānām
Locative	prayātavye	prayātavyayoḥ	prayātavyeṣu

Compound prayātavya -

Adverb -prayātavyam -prayātavyāt