Sushmita Sen got her first filmi break with Biwi No. 1 due to David Dhawan and that's why she is so fond of the director. She can never say "No" to him. Whenever David wanted her to do a film, she just asks "When and where"?  For David's Do Knot Disturb, Sush had gained 9 kgs to fit in the role of a wife. However Sush had to lose that extra weight within the next 45 days because she going to start shooting for her next film in which she had to look absolutely the best.