Declension table of ?upasaṃsthita

Masculine	Singular	Dual	Plural
Nominative	upasaṃsthitaḥ	upasaṃsthitau	upasaṃsthitāḥ
Vocative	upasaṃsthita	upasaṃsthitau	upasaṃsthitāḥ
Accusative	upasaṃsthitam	upasaṃsthitau	upasaṃsthitān
Instrumental	upasaṃsthitena	upasaṃsthitābhyām	upasaṃsthitaiḥ upasaṃsthitebhiḥ
Dative	upasaṃsthitāya	upasaṃsthitābhyām	upasaṃsthitebhyaḥ
Ablative	upasaṃsthitāt	upasaṃsthitābhyām	upasaṃsthitebhyaḥ
Genitive	upasaṃsthitasya	upasaṃsthitayoḥ	upasaṃsthitānām
Locative	upasaṃsthite	upasaṃsthitayoḥ	upasaṃsthiteṣu

Compound upasaṃsthita -

Adverb -upasaṃsthitam -upasaṃsthitāt