Declension table of ?aupasthāna

Neuter	Singular	Dual	Plural
Nominative	aupasthānam	aupasthāne	aupasthānāni
Vocative	aupasthāna	aupasthāne	aupasthānāni
Accusative	aupasthānam	aupasthāne	aupasthānāni
Instrumental	aupasthānena	aupasthānābhyām	aupasthānaiḥ
Dative	aupasthānāya	aupasthānābhyām	aupasthānebhyaḥ
Ablative	aupasthānāt	aupasthānābhyām	aupasthānebhyaḥ
Genitive	aupasthānasya	aupasthānayoḥ	aupasthānānām
Locative	aupasthāne	aupasthānayoḥ	aupasthāneṣu

Compound aupasthāna -

Adverb -aupasthānam -aupasthānāt