Urdutotke provides you dua for sharp mind in Urdu and Roman Hindi.
Dua for sharp mind:
(ARZ KI AEY MERE RABB MERE LIYE MERA SEENA KHOL DE AUR MERE LIYE MERA KAAM ASAAN KAR AUR MERI ZABAAN KI GIRAH KHOL DE KE WO MERI BAAT SAMJHE).
Jin ka dimagh kamzor ho aur wo chahte hon ke unka dimagh sab se tez ho jaey to unhen chahye ke SURAH TAHA ki AYAT NO 25 SE 28 tak hamesha parhte rahen INSHAH ALLAH aapko kamyabi hogi.