Declension table of upasthita

Neuter	Singular	Dual	Plural
Nominative	upasthitam	upasthite	upasthitāni
Vocative	upasthita	upasthite	upasthitāni
Accusative	upasthitam	upasthite	upasthitāni
Instrumental	upasthitena	upasthitābhyām	upasthitaiḥ
Dative	upasthitāya	upasthitābhyām	upasthitebhyaḥ
Ablative	upasthitāt	upasthitābhyām	upasthitebhyaḥ
Genitive	upasthitasya	upasthitayoḥ	upasthitānām
Locative	upasthite	upasthitayoḥ	upasthiteṣu

Compound upasthita -

Adverb -upasthitam -upasthitāt