Declension table of ?pravasana

Neuter	Singular	Dual	Plural
Nominative	pravasanam	pravasane	pravasanāni
Vocative	pravasana	pravasane	pravasanāni
Accusative	pravasanam	pravasane	pravasanāni
Instrumental	pravasanena	pravasanābhyām	pravasanaiḥ
Dative	pravasanāya	pravasanābhyām	pravasanebhyaḥ
Ablative	pravasanāt	pravasanābhyām	pravasanebhyaḥ
Genitive	pravasanasya	pravasanayoḥ	pravasanānām
Locative	pravasane	pravasanayoḥ	pravasaneṣu

Compound pravasana -

Adverb -pravasanam -pravasanāt