Declension table of ?vivyāna

Neuter	Singular	Dual	Plural
Nominative	vivyānam	vivyāne	vivyānāni
Vocative	vivyāna	vivyāne	vivyānāni
Accusative	vivyānam	vivyāne	vivyānāni
Instrumental	vivyānena	vivyānābhyām	vivyānaiḥ
Dative	vivyānāya	vivyānābhyām	vivyānebhyaḥ
Ablative	vivyānāt	vivyānābhyām	vivyānebhyaḥ
Genitive	vivyānasya	vivyānayoḥ	vivyānānām
Locative	vivyāne	vivyānayoḥ	vivyāneṣu

Compound vivyāna -

Adverb -vivyānam -vivyānāt