Declension table of ?mahādurga

Masculine	Singular	Dual	Plural
Nominative	mahādurgaḥ	mahādurgau	mahādurgāḥ
Vocative	mahādurga	mahādurgau	mahādurgāḥ
Accusative	mahādurgam	mahādurgau	mahādurgān
Instrumental	mahādurgeṇa	mahādurgābhyām	mahādurgaiḥ mahādurgebhiḥ
Dative	mahādurgāya	mahādurgābhyām	mahādurgebhyaḥ
Ablative	mahādurgāt	mahādurgābhyām	mahādurgebhyaḥ
Genitive	mahādurgasya	mahādurgayoḥ	mahādurgāṇām
Locative	mahādurge	mahādurgayoḥ	mahādurgeṣu

Compound mahādurga -

Adverb -mahādurgam -mahādurgāt