Declension table of ?cetayitavya

Neuter	Singular	Dual	Plural
Nominative	cetayitavyam	cetayitavye	cetayitavyāni
Vocative	cetayitavya	cetayitavye	cetayitavyāni
Accusative	cetayitavyam	cetayitavye	cetayitavyāni
Instrumental	cetayitavyena	cetayitavyābhyām	cetayitavyaiḥ
Dative	cetayitavyāya	cetayitavyābhyām	cetayitavyebhyaḥ
Ablative	cetayitavyāt	cetayitavyābhyām	cetayitavyebhyaḥ
Genitive	cetayitavyasya	cetayitavyayoḥ	cetayitavyānām
Locative	cetayitavye	cetayitavyayoḥ	cetayitavyeṣu

Compound cetayitavya -

Adverb -cetayitavyam -cetayitavyāt