Declension table of ?dhrasya

Neuter	Singular	Dual	Plural
Nominative	dhrasyam	dhrasye	dhrasyāni
Vocative	dhrasya	dhrasye	dhrasyāni
Accusative	dhrasyam	dhrasye	dhrasyāni
Instrumental	dhrasyena	dhrasyābhyām	dhrasyaiḥ
Dative	dhrasyāya	dhrasyābhyām	dhrasyebhyaḥ
Ablative	dhrasyāt	dhrasyābhyām	dhrasyebhyaḥ
Genitive	dhrasyasya	dhrasyayoḥ	dhrasyānām
Locative	dhrasye	dhrasyayoḥ	dhrasyeṣu

Compound dhrasya -

Adverb -dhrasyam -dhrasyāt