Declension table of ?karītavya

Neuter	Singular	Dual	Plural
Nominative	karītavyam	karītavye	karītavyāni
Vocative	karītavya	karītavye	karītavyāni
Accusative	karītavyam	karītavye	karītavyāni
Instrumental	karītavyena	karītavyābhyām	karītavyaiḥ
Dative	karītavyāya	karītavyābhyām	karītavyebhyaḥ
Ablative	karītavyāt	karītavyābhyām	karītavyebhyaḥ
Genitive	karītavyasya	karītavyayoḥ	karītavyānām
Locative	karītavye	karītavyayoḥ	karītavyeṣu

Compound karītavya -

Adverb -karītavyam -karītavyāt