Declension table of ?karbitavya

Neuter	Singular	Dual	Plural
Nominative	karbitavyam	karbitavye	karbitavyāni
Vocative	karbitavya	karbitavye	karbitavyāni
Accusative	karbitavyam	karbitavye	karbitavyāni
Instrumental	karbitavyena	karbitavyābhyām	karbitavyaiḥ
Dative	karbitavyāya	karbitavyābhyām	karbitavyebhyaḥ
Ablative	karbitavyāt	karbitavyābhyām	karbitavyebhyaḥ
Genitive	karbitavyasya	karbitavyayoḥ	karbitavyānām
Locative	karbitavye	karbitavyayoḥ	karbitavyeṣu

Compound karbitavya -

Adverb -karbitavyam -karbitavyāt