Declension table of upātyaya

Masculine	Singular	Dual	Plural
Nominative	upātyayaḥ	upātyayau	upātyayāḥ
Vocative	upātyaya	upātyayau	upātyayāḥ
Accusative	upātyayam	upātyayau	upātyayān
Instrumental	upātyayena	upātyayābhyām	upātyayaiḥ upātyayebhiḥ
Dative	upātyayāya	upātyayābhyām	upātyayebhyaḥ
Ablative	upātyayāt	upātyayābhyām	upātyayebhyaḥ
Genitive	upātyayasya	upātyayayoḥ	upātyayānām
Locative	upātyaye	upātyayayoḥ	upātyayeṣu

Compound upātyaya -

Adverb -upātyayam -upātyayāt