Declension table of ?saurasya

Neuter	Singular	Dual	Plural
Nominative	saurasyam	saurasye	saurasyāni
Vocative	saurasya	saurasye	saurasyāni
Accusative	saurasyam	saurasye	saurasyāni
Instrumental	saurasyena	saurasyābhyām	saurasyaiḥ
Dative	saurasyāya	saurasyābhyām	saurasyebhyaḥ
Ablative	saurasyāt	saurasyābhyām	saurasyebhyaḥ
Genitive	saurasyasya	saurasyayoḥ	saurasyānām
Locative	saurasye	saurasyayoḥ	saurasyeṣu

Compound saurasya -

Adverb -saurasyam -saurasyāt