My prediction is that Rehan might be Usmaan Abdullah's First son . He might be in love with some lady in Bhopal aur uska Beta hoga Rehan . Baad mein Suraiya se shaadi hui hogi Usmaan ki . So this might happen that Rehan must be big bro of Zain & Fahad .
Aliya has always brought some past truth of Abdullah family . Again she might become mediator between Usmaan & his son Rehan 😳
Lets see what happens in future story 😃 .