Declension table of ?dyotavya

Neuter	Singular	Dual	Plural
Nominative	dyotavyam	dyotavye	dyotavyāni
Vocative	dyotavya	dyotavye	dyotavyāni
Accusative	dyotavyam	dyotavye	dyotavyāni
Instrumental	dyotavyena	dyotavyābhyām	dyotavyaiḥ
Dative	dyotavyāya	dyotavyābhyām	dyotavyebhyaḥ
Ablative	dyotavyāt	dyotavyābhyām	dyotavyebhyaḥ
Genitive	dyotavyasya	dyotavyayoḥ	dyotavyānām
Locative	dyotavye	dyotavyayoḥ	dyotavyeṣu

Compound dyotavya -

Adverb -dyotavyam -dyotavyāt