And though Alia was fit for the role, Karan says the only problem was that she was on a heavier side, which didn't set well with the vision of his female protagonist.
"The only thing that I had to ask her was to lose weight. Since she had a few extra kilos on her, she was assigned a dietician as well as trainer. She worked for full three months and came back all slim and ready to face the camera," he said.
With the movie, Johar, 40, is returning to the director's chair after a gap of more than two years. He last directed
Kajol-Shahrukh Khan starrer "My Name Is Khan".