Declension table of ?upanagara

Neuter	Singular	Dual	Plural
Nominative	upanagaram	upanagare	upanagarāṇi
Vocative	upanagara	upanagare	upanagarāṇi
Accusative	upanagaram	upanagare	upanagarāṇi
Instrumental	upanagareṇa	upanagarābhyām	upanagaraiḥ
Dative	upanagarāya	upanagarābhyām	upanagarebhyaḥ
Ablative	upanagarāt	upanagarābhyām	upanagarebhyaḥ
Genitive	upanagarasya	upanagarayoḥ	upanagarāṇām
Locative	upanagare	upanagarayoḥ	upanagareṣu

Compound upanagara -

Adverb -upanagaram -upanagarāt