The debate on the 'Ahl al-Bayt' (a.s.) or the household of the Holy Prophet Muhammad (pbuh) is probably the most discussed, and yet, the most misunderstood issue among the Muslims, since the demise of the Holy Prophet, some 1400 plus years ago. In this research work, we intend to find out, first of all, who are the 'Ahl al-Bayt' mentioned in the Holy Qura'n, and what responsibilities do the Muslims have, with regards them, according to the Holy Qura'n, as it has been commanded by Allah (s.w.t.) in His Holy Book. We shall also try to find the answers from the Holy Qura'n, regarding some questions on the subject of the Ahl al-Bayt, which has been going on for so long, without being solved or answered beyond those sectarian affiliations.