When Haj became obligatory? A) 10 Zil Haj B) 9 Hijri C) 10 Hijri D) None of these Related MCQs: Obligatory (لازمی) synonym? Prostration is obligatory in the Holy Quran, for how many times? In the recitation of Holy Quran, there are how many occasions when Sajdah (Prostration) is obligatory for the Muslim: How many Salats were made obligatory during the Miraj?