Declension table of ?ādātavya

Neuter	Singular	Dual	Plural
Nominative	ādātavyam	ādātavye	ādātavyāni
Vocative	ādātavya	ādātavye	ādātavyāni
Accusative	ādātavyam	ādātavye	ādātavyāni
Instrumental	ādātavyena	ādātavyābhyām	ādātavyaiḥ
Dative	ādātavyāya	ādātavyābhyām	ādātavyebhyaḥ
Ablative	ādātavyāt	ādātavyābhyām	ādātavyebhyaḥ
Genitive	ādātavyasya	ādātavyayoḥ	ādātavyānām
Locative	ādātavye	ādātavyayoḥ	ādātavyeṣu

Compound ādātavya -

Adverb -ādātavyam -ādātavyāt