Declension table of ?paryavasthāna

Neuter	Singular	Dual	Plural
Nominative	paryavasthānam	paryavasthāne	paryavasthānāni
Vocative	paryavasthāna	paryavasthāne	paryavasthānāni
Accusative	paryavasthānam	paryavasthāne	paryavasthānāni
Instrumental	paryavasthānena	paryavasthānābhyām	paryavasthānaiḥ
Dative	paryavasthānāya	paryavasthānābhyām	paryavasthānebhyaḥ
Ablative	paryavasthānāt	paryavasthānābhyām	paryavasthānebhyaḥ
Genitive	paryavasthānasya	paryavasthānayoḥ	paryavasthānānām
Locative	paryavasthāne	paryavasthānayoḥ	paryavasthāneṣu

Compound paryavasthāna -

Adverb -paryavasthānam -paryavasthānāt