Declension table of dātavya

Neuter	Singular	Dual	Plural
Nominative	dātavyam	dātavye	dātavyāni
Vocative	dātavya	dātavye	dātavyāni
Accusative	dātavyam	dātavye	dātavyāni
Instrumental	dātavyena	dātavyābhyām	dātavyaiḥ
Dative	dātavyāya	dātavyābhyām	dātavyebhyaḥ
Ablative	dātavyāt	dātavyābhyām	dātavyebhyaḥ
Genitive	dātavyasya	dātavyayoḥ	dātavyānām
Locative	dātavye	dātavyayoḥ	dātavyeṣu

Compound dātavya -

Adverb -dātavyam -dātavyāt