Declension table of ?adurga

Neuter	Singular	Dual	Plural
Nominative	adurgam	adurge	adurgāṇi
Vocative	adurga	adurge	adurgāṇi
Accusative	adurgam	adurge	adurgāṇi
Instrumental	adurgeṇa	adurgābhyām	adurgaiḥ
Dative	adurgāya	adurgābhyām	adurgebhyaḥ
Ablative	adurgāt	adurgābhyām	adurgebhyaḥ
Genitive	adurgasya	adurgayoḥ	adurgāṇām
Locative	adurge	adurgayoḥ	adurgeṣu

Compound adurga -

Adverb -adurgam -adurgāt