Declension table of ?vividhāna

Neuter	Singular	Dual	Plural
Nominative	vividhānam	vividhāne	vividhānāni
Vocative	vividhāna	vividhāne	vividhānāni
Accusative	vividhānam	vividhāne	vividhānāni
Instrumental	vividhānena	vividhānābhyām	vividhānaiḥ
Dative	vividhānāya	vividhānābhyām	vividhānebhyaḥ
Ablative	vividhānāt	vividhānābhyām	vividhānebhyaḥ
Genitive	vividhānasya	vividhānayoḥ	vividhānānām
Locative	vividhāne	vividhānayoḥ	vividhāneṣu

Compound vividhāna -

Adverb -vividhānam -vividhānāt