Declension table of ?prāsana

Neuter	Singular	Dual	Plural
Nominative	prāsanam	prāsane	prāsanāni
Vocative	prāsana	prāsane	prāsanāni
Accusative	prāsanam	prāsane	prāsanāni
Instrumental	prāsanena	prāsanābhyām	prāsanaiḥ
Dative	prāsanāya	prāsanābhyām	prāsanebhyaḥ
Ablative	prāsanāt	prāsanābhyām	prāsanebhyaḥ
Genitive	prāsanasya	prāsanayoḥ	prāsanānām
Locative	prāsane	prāsanayoḥ	prāsaneṣu

Compound prāsana -

Adverb -prāsanam -prāsanāt