Declension table of ?anupasthāna

Neuter	Singular	Dual	Plural
Nominative	anupasthānam	anupasthāne	anupasthānāni
Vocative	anupasthāna	anupasthāne	anupasthānāni
Accusative	anupasthānam	anupasthāne	anupasthānāni
Instrumental	anupasthānena	anupasthānābhyām	anupasthānaiḥ
Dative	anupasthānāya	anupasthānābhyām	anupasthānebhyaḥ
Ablative	anupasthānāt	anupasthānābhyām	anupasthānebhyaḥ
Genitive	anupasthānasya	anupasthānayoḥ	anupasthānānām
Locative	anupasthāne	anupasthānayoḥ	anupasthāneṣu

Compound anupasthāna -

Adverb -anupasthānam -anupasthānāt