Declension table of ?dyātavya

Neuter	Singular	Dual	Plural
Nominative	dyātavyam	dyātavye	dyātavyāni
Vocative	dyātavya	dyātavye	dyātavyāni
Accusative	dyātavyam	dyātavye	dyātavyāni
Instrumental	dyātavyena	dyātavyābhyām	dyātavyaiḥ
Dative	dyātavyāya	dyātavyābhyām	dyātavyebhyaḥ
Ablative	dyātavyāt	dyātavyābhyām	dyātavyebhyaḥ
Genitive	dyātavyasya	dyātavyayoḥ	dyātavyānām
Locative	dyātavye	dyātavyayoḥ	dyātavyeṣu

Compound dyātavya -

Adverb -dyātavyam -dyātavyāt