Declension table of ?gadhitavya

Neuter	Singular	Dual	Plural
Nominative	gadhitavyam	gadhitavye	gadhitavyāni
Vocative	gadhitavya	gadhitavye	gadhitavyāni
Accusative	gadhitavyam	gadhitavye	gadhitavyāni
Instrumental	gadhitavyena	gadhitavyābhyām	gadhitavyaiḥ
Dative	gadhitavyāya	gadhitavyābhyām	gadhitavyebhyaḥ
Ablative	gadhitavyāt	gadhitavyābhyām	gadhitavyebhyaḥ
Genitive	gadhitavyasya	gadhitavyayoḥ	gadhitavyānām
Locative	gadhitavye	gadhitavyayoḥ	gadhitavyeṣu

Compound gadhitavya -

Adverb -gadhitavyam -gadhitavyāt