Declension table of ?kalayitavya

Neuter	Singular	Dual	Plural
Nominative	kalayitavyam	kalayitavye	kalayitavyāni
Vocative	kalayitavya	kalayitavye	kalayitavyāni
Accusative	kalayitavyam	kalayitavye	kalayitavyāni
Instrumental	kalayitavyena	kalayitavyābhyām	kalayitavyaiḥ
Dative	kalayitavyāya	kalayitavyābhyām	kalayitavyebhyaḥ
Ablative	kalayitavyāt	kalayitavyābhyām	kalayitavyebhyaḥ
Genitive	kalayitavyasya	kalayitavyayoḥ	kalayitavyānām
Locative	kalayitavye	kalayitavyayoḥ	kalayitavyeṣu

Compound kalayitavya -

Adverb -kalayitavyam -kalayitavyāt