Which of the following is known for his piety and memorized the Qur'an by the age of 7: Ahmad Nahavandi or Shah Waliullah Dehlawi?
Ahmad Nahavandi Ahmad ibn Muhammad al-Nahawandi was a Persian astronomer of the 8th and 9th centuries. His name indicates that he was from Nahavand, a city in Iran.
Shah Ismail Delvi Ismail Delvi (26 April 1779 – 6 May 1831) was an Islamic scholar and a warrior in the jihad proclaimed by Syed Ahmad Barelvi with Pushtun tribes support against the Sikh Empire, which ruled the northwest Indian subcontinent with their base in Punjab in the early half of the 19th century.