Declension table of ?nirga

Masculine	Singular	Dual	Plural
Nominative	nirgaḥ	nirgau	nirgāḥ
Vocative	nirga	nirgau	nirgāḥ
Accusative	nirgam	nirgau	nirgān
Instrumental	nirgeṇa	nirgābhyām	nirgaiḥ nirgebhiḥ
Dative	nirgāya	nirgābhyām	nirgebhyaḥ
Ablative	nirgāt	nirgābhyām	nirgebhyaḥ
Genitive	nirgasya	nirgayoḥ	nirgāṇām
Locative	nirge	nirgayoḥ	nirgeṣu

Compound nirga -

Adverb -nirgam -nirgāt