Declension table of ?upasthapattra

Masculine	Singular	Dual	Plural
Nominative	upasthapattraḥ	upasthapattrau	upasthapattrāḥ
Vocative	upasthapattra	upasthapattrau	upasthapattrāḥ
Accusative	upasthapattram	upasthapattrau	upasthapattrān
Instrumental	upasthapattreṇa	upasthapattrābhyām	upasthapattraiḥ upasthapattrebhiḥ
Dative	upasthapattrāya	upasthapattrābhyām	upasthapattrebhyaḥ
Ablative	upasthapattrāt	upasthapattrābhyām	upasthapattrebhyaḥ
Genitive	upasthapattrasya	upasthapattrayoḥ	upasthapattrāṇām
Locative	upasthapattre	upasthapattrayoḥ	upasthapattreṣu

Compound upasthapattra -

Adverb -upasthapattram -upasthapattrāt