Declension table of vastra

Neuter	Singular	Dual	Plural
Nominative	vastram	vastre	vastrāṇi
Vocative	vastra	vastre	vastrāṇi
Accusative	vastram	vastre	vastrāṇi
Instrumental	vastreṇa	vastrābhyām	vastraiḥ
Dative	vastrāya	vastrābhyām	vastrebhyaḥ
Ablative	vastrāt	vastrābhyām	vastrebhyaḥ
Genitive	vastrasya	vastrayoḥ	vastrāṇām
Locative	vastre	vastrayoḥ	vastreṣu

Compound vastra -

Adverb -vastram -vastrāt