Declension table of ?vigāna

Neuter	Singular	Dual	Plural
Nominative	vigānam	vigāne	vigānāni
Vocative	vigāna	vigāne	vigānāni
Accusative	vigānam	vigāne	vigānāni
Instrumental	vigānena	vigānābhyām	vigānaiḥ
Dative	vigānāya	vigānābhyām	vigānebhyaḥ
Ablative	vigānāt	vigānābhyām	vigānebhyaḥ
Genitive	vigānasya	vigānayoḥ	vigānānām
Locative	vigāne	vigānayoḥ	vigāneṣu

Compound vigāna -

Adverb -vigānam -vigānāt