Declension table of ?nirvyavastha

Neuter	Singular	Dual	Plural
Nominative	nirvyavastham	nirvyavasthe	nirvyavasthāni
Vocative	nirvyavastha	nirvyavasthe	nirvyavasthāni
Accusative	nirvyavastham	nirvyavasthe	nirvyavasthāni
Instrumental	nirvyavasthena	nirvyavasthābhyām	nirvyavasthaiḥ
Dative	nirvyavasthāya	nirvyavasthābhyām	nirvyavasthebhyaḥ
Ablative	nirvyavasthāt	nirvyavasthābhyām	nirvyavasthebhyaḥ
Genitive	nirvyavasthasya	nirvyavasthayoḥ	nirvyavasthānām
Locative	nirvyavasthe	nirvyavasthayoḥ	nirvyavastheṣu

Compound nirvyavastha -

Adverb -nirvyavastham -nirvyavasthāt