Declension table of ?karayitavya

Neuter	Singular	Dual	Plural
Nominative	karayitavyam	karayitavye	karayitavyāni
Vocative	karayitavya	karayitavye	karayitavyāni
Accusative	karayitavyam	karayitavye	karayitavyāni
Instrumental	karayitavyena	karayitavyābhyām	karayitavyaiḥ
Dative	karayitavyāya	karayitavyābhyām	karayitavyebhyaḥ
Ablative	karayitavyāt	karayitavyābhyām	karayitavyebhyaḥ
Genitive	karayitavyasya	karayitavyayoḥ	karayitavyānām
Locative	karayitavye	karayitavyayoḥ	karayitavyeṣu

Compound karayitavya -

Adverb -karayitavyam -karayitavyāt