Declension table of kathayitavya

Masculine	Singular	Dual	Plural
Nominative	kathayitavyaḥ	kathayitavyau	kathayitavyāḥ
Vocative	kathayitavya	kathayitavyau	kathayitavyāḥ
Accusative	kathayitavyam	kathayitavyau	kathayitavyān
Instrumental	kathayitavyena	kathayitavyābhyām	kathayitavyaiḥ kathayitavyebhiḥ
Dative	kathayitavyāya	kathayitavyābhyām	kathayitavyebhyaḥ
Ablative	kathayitavyāt	kathayitavyābhyām	kathayitavyebhyaḥ
Genitive	kathayitavyasya	kathayitavyayoḥ	kathayitavyānām
Locative	kathayitavye	kathayitavyayoḥ	kathayitavyeṣu

Compound kathayitavya -

Adverb -kathayitavyam -kathayitavyāt