Declension table of ?mahādurga

Neuter	Singular	Dual	Plural
Nominative	mahādurgam	mahādurge	mahādurgāṇi
Vocative	mahādurga	mahādurge	mahādurgāṇi
Accusative	mahādurgam	mahādurge	mahādurgāṇi
Instrumental	mahādurgeṇa	mahādurgābhyām	mahādurgaiḥ
Dative	mahādurgāya	mahādurgābhyām	mahādurgebhyaḥ
Ablative	mahādurgāt	mahādurgābhyām	mahādurgebhyaḥ
Genitive	mahādurgasya	mahādurgayoḥ	mahādurgāṇām
Locative	mahādurge	mahādurgayoḥ	mahādurgeṣu

Compound mahādurga -

Adverb -mahādurgam -mahādurgāt