Declension table of ?upāttasāra

Neuter	Singular	Dual	Plural
Nominative	upāttasāram	upāttasāre	upāttasārāṇi
Vocative	upāttasāra	upāttasāre	upāttasārāṇi
Accusative	upāttasāram	upāttasāre	upāttasārāṇi
Instrumental	upāttasāreṇa	upāttasārābhyām	upāttasāraiḥ
Dative	upāttasārāya	upāttasārābhyām	upāttasārebhyaḥ
Ablative	upāttasārāt	upāttasārābhyām	upāttasārebhyaḥ
Genitive	upāttasārasya	upāttasārayoḥ	upāttasārāṇām
Locative	upāttasāre	upāttasārayoḥ	upāttasāreṣu

Compound upāttasāra -

Adverb -upāttasāram -upāttasārāt