The 44-year-old author posted a nostalgic and heartwarming birthday wish for her father with a priceless picture of the late legendary actor.
"As a toddler, I was convinced that all the truckloads of flowers that would arrive for his birthday were actually for me... #nowandforever," she wrote alongside the picture.
'Mrs Funnybones' who is known to be very close to her father shares heart-touching posts for her dad every year on his birthday.
Akshay Kumar too extended his warm wishes for both his wife and his late father-in-law.
"While growing up I'd heard fascinating tales of his superstardom, never imagining one day I'll marry his fascinating daughter...thank you for giving me this precious one. Happy birthday to both of you," he tweeted.
Rajesh Khanna, born on December 29, 1942, was the first superstar of India and entered Hindi cinema in 1965 when he began shooting for 'Raaz'. He did 180 films, 163 feature films and 17 short films.
He achieved super-stardom with Shakti Samantha's 'Aradhana' (1969). The evergreen actor also made the world record of having 17 successive super-hits in three years from 1969-71 which included 15 consecutive solo super-hit films.