Declension table of vyavadhāna

Neuter	Singular	Dual	Plural
Nominative	vyavadhānam	vyavadhāne	vyavadhānāni
Vocative	vyavadhāna	vyavadhāne	vyavadhānāni
Accusative	vyavadhānam	vyavadhāne	vyavadhānāni
Instrumental	vyavadhānena	vyavadhānābhyām	vyavadhānaiḥ
Dative	vyavadhānāya	vyavadhānābhyām	vyavadhānebhyaḥ
Ablative	vyavadhānāt	vyavadhānābhyām	vyavadhānebhyaḥ
Genitive	vyavadhānasya	vyavadhānayoḥ	vyavadhānānām
Locative	vyavadhāne	vyavadhānayoḥ	vyavadhāneṣu

Compound vyavadhāna -

Adverb -vyavadhānam -vyavadhānāt