Born on December 29, 1942, had Rajesh Khanna would be alive today, he would have turned 80 today. However, while he may not be present among us anymore, but his memories live within each of his fans even today. Rajesh Khanna was the first actor who was given the title of ‘Superstar’ for his gigantic fan following and the back-to-back films that the actor gave throughout his career. Interestingly, the actor shares his birthday with Twinkle Khanna, his elder daughter who also turns 48 today. Presenting to you are seven lesser-known facts about ‘Kaka’ that made him the superstar that he was!