Declension table of upasaraṇa

Neuter	Singular	Dual	Plural
Nominative	upasaraṇam	upasaraṇe	upasaraṇāni
Vocative	upasaraṇa	upasaraṇe	upasaraṇāni
Accusative	upasaraṇam	upasaraṇe	upasaraṇāni
Instrumental	upasaraṇena	upasaraṇābhyām	upasaraṇaiḥ
Dative	upasaraṇāya	upasaraṇābhyām	upasaraṇebhyaḥ
Ablative	upasaraṇāt	upasaraṇābhyām	upasaraṇebhyaḥ
Genitive	upasaraṇasya	upasaraṇayoḥ	upasaraṇānām
Locative	upasaraṇe	upasaraṇayoḥ	upasaraṇeṣu

Compound upasaraṇa -

Adverb -upasaraṇam -upasaraṇāt