Declension table of ?dhrasta

Neuter	Singular	Dual	Plural
Nominative	dhrastam	dhraste	dhrastāni
Vocative	dhrasta	dhraste	dhrastāni
Accusative	dhrastam	dhraste	dhrastāni
Instrumental	dhrastena	dhrastābhyām	dhrastaiḥ
Dative	dhrastāya	dhrastābhyām	dhrastebhyaḥ
Ablative	dhrastāt	dhrastābhyām	dhrastebhyaḥ
Genitive	dhrastasya	dhrastayoḥ	dhrastānām
Locative	dhraste	dhrastayoḥ	dhrasteṣu

Compound dhrasta -

Adverb -dhrastam -dhrastāt