Declension table of ?upanyāsya

Masculine	Singular	Dual	Plural
Nominative	upanyāsyaḥ	upanyāsyau	upanyāsyāḥ
Vocative	upanyāsya	upanyāsyau	upanyāsyāḥ
Accusative	upanyāsyam	upanyāsyau	upanyāsyān
Instrumental	upanyāsyena	upanyāsyābhyām	upanyāsyaiḥ upanyāsyebhiḥ
Dative	upanyāsyāya	upanyāsyābhyām	upanyāsyebhyaḥ
Ablative	upanyāsyāt	upanyāsyābhyām	upanyāsyebhyaḥ
Genitive	upanyāsyasya	upanyāsyayoḥ	upanyāsyānām
Locative	upanyāsye	upanyāsyayoḥ	upanyāsyeṣu

Compound upanyāsya -

Adverb -upanyāsyam -upanyāsyāt