Declension table of ?prasādayitavya

Neuter	Singular	Dual	Plural
Nominative	prasādayitavyam	prasādayitavye	prasādayitavyāni
Vocative	prasādayitavya	prasādayitavye	prasādayitavyāni
Accusative	prasādayitavyam	prasādayitavye	prasādayitavyāni
Instrumental	prasādayitavyena	prasādayitavyābhyām	prasādayitavyaiḥ
Dative	prasādayitavyāya	prasādayitavyābhyām	prasādayitavyebhyaḥ
Ablative	prasādayitavyāt	prasādayitavyābhyām	prasādayitavyebhyaḥ
Genitive	prasādayitavyasya	prasādayitavyayoḥ	prasādayitavyānām
Locative	prasādayitavye	prasādayitavyayoḥ	prasādayitavyeṣu

Compound prasādayitavya -

Adverb -prasādayitavyam -prasādayitavyāt