Declension table of ?udasthāna

Neuter	Singular	Dual	Plural
Nominative	udasthānam	udasthāne	udasthānāni
Vocative	udasthāna	udasthāne	udasthānāni
Accusative	udasthānam	udasthāne	udasthānāni
Instrumental	udasthānena	udasthānābhyām	udasthānaiḥ
Dative	udasthānāya	udasthānābhyām	udasthānebhyaḥ
Ablative	udasthānāt	udasthānābhyām	udasthānebhyaḥ
Genitive	udasthānasya	udasthānayoḥ	udasthānānām
Locative	udasthāne	udasthānayoḥ	udasthāneṣu

Compound udasthāna -

Adverb -udasthānam -udasthānāt