Declension table of ?saṃvyavasya

Masculine	Singular	Dual	Plural
Nominative	saṃvyavasyaḥ	saṃvyavasyau	saṃvyavasyāḥ
Vocative	saṃvyavasya	saṃvyavasyau	saṃvyavasyāḥ
Accusative	saṃvyavasyam	saṃvyavasyau	saṃvyavasyān
Instrumental	saṃvyavasyena	saṃvyavasyābhyām	saṃvyavasyaiḥ saṃvyavasyebhiḥ
Dative	saṃvyavasyāya	saṃvyavasyābhyām	saṃvyavasyebhyaḥ
Ablative	saṃvyavasyāt	saṃvyavasyābhyām	saṃvyavasyebhyaḥ
Genitive	saṃvyavasyasya	saṃvyavasyayoḥ	saṃvyavasyānām
Locative	saṃvyavasye	saṃvyavasyayoḥ	saṃvyavasyeṣu

Compound saṃvyavasya -

Adverb -saṃvyavasyam -saṃvyavasyāt