Declension table of ?gadayitavya

Neuter	Singular	Dual	Plural
Nominative	gadayitavyam	gadayitavye	gadayitavyāni
Vocative	gadayitavya	gadayitavye	gadayitavyāni
Accusative	gadayitavyam	gadayitavye	gadayitavyāni
Instrumental	gadayitavyena	gadayitavyābhyām	gadayitavyaiḥ
Dative	gadayitavyāya	gadayitavyābhyām	gadayitavyebhyaḥ
Ablative	gadayitavyāt	gadayitavyābhyām	gadayitavyebhyaḥ
Genitive	gadayitavyasya	gadayitavyayoḥ	gadayitavyānām
Locative	gadayitavye	gadayitavyayoḥ	gadayitavyeṣu

Compound gadayitavya -

Adverb -gadayitavyam -gadayitavyāt