Declension table of ?chandayitavya

Neuter	Singular	Dual	Plural
Nominative	chandayitavyam	chandayitavye	chandayitavyāni
Vocative	chandayitavya	chandayitavye	chandayitavyāni
Accusative	chandayitavyam	chandayitavye	chandayitavyāni
Instrumental	chandayitavyena	chandayitavyābhyām	chandayitavyaiḥ
Dative	chandayitavyāya	chandayitavyābhyām	chandayitavyebhyaḥ
Ablative	chandayitavyāt	chandayitavyābhyām	chandayitavyebhyaḥ
Genitive	chandayitavyasya	chandayitavyayoḥ	chandayitavyānām
Locative	chandayitavye	chandayitavyayoḥ	chandayitavyeṣu

Compound chandayitavya -

Adverb -chandayitavyam -chandayitavyāt