Declension table of ?madranagara

Neuter	Singular	Dual	Plural
Nominative	madranagaram	madranagare	madranagarāṇi
Vocative	madranagara	madranagare	madranagarāṇi
Accusative	madranagaram	madranagare	madranagarāṇi
Instrumental	madranagareṇa	madranagarābhyām	madranagaraiḥ
Dative	madranagarāya	madranagarābhyām	madranagarebhyaḥ
Ablative	madranagarāt	madranagarābhyām	madranagarebhyaḥ
Genitive	madranagarasya	madranagarayoḥ	madranagarāṇām
Locative	madranagare	madranagarayoḥ	madranagareṣu

Compound madranagara -

Adverb -madranagaram -madranagarāt