Declension table of upagamana

Neuter	Singular	Dual	Plural
Nominative	upagamanam	upagamane	upagamanāni
Vocative	upagamana	upagamane	upagamanāni
Accusative	upagamanam	upagamane	upagamanāni
Instrumental	upagamanena	upagamanābhyām	upagamanaiḥ
Dative	upagamanāya	upagamanābhyām	upagamanebhyaḥ
Ablative	upagamanāt	upagamanābhyām	upagamanebhyaḥ
Genitive	upagamanasya	upagamanayoḥ	upagamanānām
Locative	upagamane	upagamanayoḥ	upagamaneṣu

Compound upagamana -

Adverb -upagamanam -upagamanāt