Declension table of ?pṛcchana

Neuter	Singular	Dual	Plural
Nominative	pṛcchanam	pṛcchane	pṛcchanāni
Vocative	pṛcchana	pṛcchane	pṛcchanāni
Accusative	pṛcchanam	pṛcchane	pṛcchanāni
Instrumental	pṛcchanena	pṛcchanābhyām	pṛcchanaiḥ
Dative	pṛcchanāya	pṛcchanābhyām	pṛcchanebhyaḥ
Ablative	pṛcchanāt	pṛcchanābhyām	pṛcchanebhyaḥ
Genitive	pṛcchanasya	pṛcchanayoḥ	pṛcchanānām
Locative	pṛcchane	pṛcchanayoḥ	pṛcchaneṣu

Compound pṛcchana -

Adverb -pṛcchanam -pṛcchanāt