Declension table of ?upajana

Masculine	Singular	Dual	Plural
Nominative	upajanaḥ	upajanau	upajanāḥ
Vocative	upajana	upajanau	upajanāḥ
Accusative	upajanam	upajanau	upajanān
Instrumental	upajanena	upajanābhyām	upajanaiḥ upajanebhiḥ
Dative	upajanāya	upajanābhyām	upajanebhyaḥ
Ablative	upajanāt	upajanābhyām	upajanebhyaḥ
Genitive	upajanasya	upajanayoḥ	upajanānām
Locative	upajane	upajanayoḥ	upajaneṣu

Compound upajana -

Adverb -upajanam -upajanāt