Declension table of ?upādya

Neuter	Singular	Dual	Plural
Nominative	upādyam	upādye	upādyāni
Vocative	upādya	upādye	upādyāni
Accusative	upādyam	upādye	upādyāni
Instrumental	upādyena	upādyābhyām	upādyaiḥ
Dative	upādyāya	upādyābhyām	upādyebhyaḥ
Ablative	upādyāt	upādyābhyām	upādyebhyaḥ
Genitive	upādyasya	upādyayoḥ	upādyānām
Locative	upādye	upādyayoḥ	upādyeṣu

Compound upādya -

Adverb -upādyam -upādyāt