Declension table of upanimantraṇa

Neuter	Singular	Dual	Plural
Nominative	upanimantraṇam	upanimantraṇe	upanimantraṇāni
Vocative	upanimantraṇa	upanimantraṇe	upanimantraṇāni
Accusative	upanimantraṇam	upanimantraṇe	upanimantraṇāni
Instrumental	upanimantraṇena	upanimantraṇābhyām	upanimantraṇaiḥ
Dative	upanimantraṇāya	upanimantraṇābhyām	upanimantraṇebhyaḥ
Ablative	upanimantraṇāt	upanimantraṇābhyām	upanimantraṇebhyaḥ
Genitive	upanimantraṇasya	upanimantraṇayoḥ	upanimantraṇānām
Locative	upanimantraṇe	upanimantraṇayoḥ	upanimantraṇeṣu

Compound upanimantraṇa -

Adverb -upanimantraṇam -upanimantraṇāt