Declension table of ?avyavadhāna

Neuter	Singular	Dual	Plural
Nominative	avyavadhānam	avyavadhāne	avyavadhānāni
Vocative	avyavadhāna	avyavadhāne	avyavadhānāni
Accusative	avyavadhānam	avyavadhāne	avyavadhānāni
Instrumental	avyavadhānena	avyavadhānābhyām	avyavadhānaiḥ
Dative	avyavadhānāya	avyavadhānābhyām	avyavadhānebhyaḥ
Ablative	avyavadhānāt	avyavadhānābhyām	avyavadhānebhyaḥ
Genitive	avyavadhānasya	avyavadhānayoḥ	avyavadhānānām
Locative	avyavadhāne	avyavadhānayoḥ	avyavadhāneṣu

Compound avyavadhāna -

Adverb -avyavadhānam -avyavadhānāt