Declension table of ?āsayitavya

Neuter	Singular	Dual	Plural
Nominative	āsayitavyam	āsayitavye	āsayitavyāni
Vocative	āsayitavya	āsayitavye	āsayitavyāni
Accusative	āsayitavyam	āsayitavye	āsayitavyāni
Instrumental	āsayitavyena	āsayitavyābhyām	āsayitavyaiḥ
Dative	āsayitavyāya	āsayitavyābhyām	āsayitavyebhyaḥ
Ablative	āsayitavyāt	āsayitavyābhyām	āsayitavyebhyaḥ
Genitive	āsayitavyasya	āsayitavyayoḥ	āsayitavyānām
Locative	āsayitavye	āsayitavyayoḥ	āsayitavyeṣu

Compound āsayitavya -

Adverb -āsayitavyam -āsayitavyāt