Declension table of ?iṣvastra

Neuter	Singular	Dual	Plural
Nominative	iṣvastram	iṣvastre	iṣvastrāṇi
Vocative	iṣvastra	iṣvastre	iṣvastrāṇi
Accusative	iṣvastram	iṣvastre	iṣvastrāṇi
Instrumental	iṣvastreṇa	iṣvastrābhyām	iṣvastraiḥ
Dative	iṣvastrāya	iṣvastrābhyām	iṣvastrebhyaḥ
Ablative	iṣvastrāt	iṣvastrābhyām	iṣvastrebhyaḥ
Genitive	iṣvastrasya	iṣvastrayoḥ	iṣvastrāṇām
Locative	iṣvastre	iṣvastrayoḥ	iṣvastreṣu

Compound iṣvastra -

Adverb -iṣvastram -iṣvastrāt