Declension table of nirvana

Neuter	Singular	Dual	Plural
Nominative	nirvanam	nirvane	nirvanāni
Vocative	nirvana	nirvane	nirvanāni
Accusative	nirvanam	nirvane	nirvanāni
Instrumental	nirvanena	nirvanābhyām	nirvanaiḥ
Dative	nirvanāya	nirvanābhyām	nirvanebhyaḥ
Ablative	nirvanāt	nirvanābhyām	nirvanebhyaḥ
Genitive	nirvanasya	nirvanayoḥ	nirvanānām
Locative	nirvane	nirvanayoḥ	nirvaneṣu

Compound nirvana -

Adverb -nirvanam -nirvanāt