She is the one supposed to fall head over heels in love with him. Acc to the title song video, she does fall in love with him which is why she does the mission. I love the title song so much and there's a line in it "Mein Kuch Bhi Kar Jaoon, Jab Teri Baat Aaye, Sar Juka Ke Karoon Tujko..Sajdaaa..ve..." I think he also feels the pull towards her, but guys being guys, with all the macho image wont express it as soon as girls do. So i think before the wedding happens, Aaliya might confess her feelings but he'll put her in a spot to choose between love and Life...I cant wait for the feelings to develop more.