Declension table of ?kasitavya

Neuter	Singular	Dual	Plural
Nominative	kasitavyam	kasitavye	kasitavyāni
Vocative	kasitavya	kasitavye	kasitavyāni
Accusative	kasitavyam	kasitavye	kasitavyāni
Instrumental	kasitavyena	kasitavyābhyām	kasitavyaiḥ
Dative	kasitavyāya	kasitavyābhyām	kasitavyebhyaḥ
Ablative	kasitavyāt	kasitavyābhyām	kasitavyebhyaḥ
Genitive	kasitavyasya	kasitavyayoḥ	kasitavyānām
Locative	kasitavye	kasitavyayoḥ	kasitavyeṣu

Compound kasitavya -

Adverb -kasitavyam -kasitavyāt