Declension table of nirvana

Masculine	Singular	Dual	Plural
Nominative	nirvanaḥ	nirvanau	nirvanāḥ
Vocative	nirvana	nirvanau	nirvanāḥ
Accusative	nirvanam	nirvanau	nirvanān
Instrumental	nirvanena	nirvanābhyām	nirvanaiḥ nirvanebhiḥ
Dative	nirvanāya	nirvanābhyām	nirvanebhyaḥ
Ablative	nirvanāt	nirvanābhyām	nirvanebhyaḥ
Genitive	nirvanasya	nirvanayoḥ	nirvanānām
Locative	nirvane	nirvanayoḥ	nirvaneṣu

Compound nirvana -

Adverb -nirvanam -nirvanāt