Declension table of ?modayitavya

Neuter	Singular	Dual	Plural
Nominative	modayitavyam	modayitavye	modayitavyāni
Vocative	modayitavya	modayitavye	modayitavyāni
Accusative	modayitavyam	modayitavye	modayitavyāni
Instrumental	modayitavyena	modayitavyābhyām	modayitavyaiḥ
Dative	modayitavyāya	modayitavyābhyām	modayitavyebhyaḥ
Ablative	modayitavyāt	modayitavyābhyām	modayitavyebhyaḥ
Genitive	modayitavyasya	modayitavyayoḥ	modayitavyānām
Locative	modayitavye	modayitavyayoḥ	modayitavyeṣu

Compound modayitavya -

Adverb -modayitavyam -modayitavyāt