Which province of Pakistan is known as Bab-ul-Islam..? A) Punjab B) Sindh C) KPK D) Balochistan Related MCQs: Which province of Pakistan is known as ”Bab-ul-Islam”? Which province is called Bab-ul-Islam? The first missionary who began preaching Islam in Lahore in 1005 AD was? Hazrat Shiekh Ismail Bukhari preached Islam during ?