Declension table of ?uttaravastra

Neuter	Singular	Dual	Plural
Nominative	uttaravastram	uttaravastre	uttaravastrāṇi
Vocative	uttaravastra	uttaravastre	uttaravastrāṇi
Accusative	uttaravastram	uttaravastre	uttaravastrāṇi
Instrumental	uttaravastreṇa	uttaravastrābhyām	uttaravastraiḥ
Dative	uttaravastrāya	uttaravastrābhyām	uttaravastrebhyaḥ
Ablative	uttaravastrāt	uttaravastrābhyām	uttaravastrebhyaḥ
Genitive	uttaravastrasya	uttaravastrayoḥ	uttaravastrāṇām
Locative	uttaravastre	uttaravastrayoḥ	uttaravastreṣu

Compound uttaravastra -

Adverb -uttaravastram -uttaravastrāt