Declension table of ?dyuvāna

Neuter	Singular	Dual	Plural
Nominative	dyuvānam	dyuvāne	dyuvānāni
Vocative	dyuvāna	dyuvāne	dyuvānāni
Accusative	dyuvānam	dyuvāne	dyuvānāni
Instrumental	dyuvānena	dyuvānābhyām	dyuvānaiḥ
Dative	dyuvānāya	dyuvānābhyām	dyuvānebhyaḥ
Ablative	dyuvānāt	dyuvānābhyām	dyuvānebhyaḥ
Genitive	dyuvānasya	dyuvānayoḥ	dyuvānānām
Locative	dyuvāne	dyuvānayoḥ	dyuvāneṣu

Compound dyuvāna -

Adverb -dyuvānam -dyuvānāt