Declension table of upadhāna

Neuter	Singular	Dual	Plural
Nominative	upadhānam	upadhāne	upadhānāni
Vocative	upadhāna	upadhāne	upadhānāni
Accusative	upadhānam	upadhāne	upadhānāni
Instrumental	upadhānena	upadhānābhyām	upadhānaiḥ
Dative	upadhānāya	upadhānābhyām	upadhānebhyaḥ
Ablative	upadhānāt	upadhānābhyām	upadhānebhyaḥ
Genitive	upadhānasya	upadhānayoḥ	upadhānānām
Locative	upadhāne	upadhānayoḥ	upadhāneṣu

Compound upadhāna -

Adverb -upadhānam -upadhānāt