She started her Bollywood career at the age of 17, and over the period of four years, Bollywood actress Kangana Ranaut says, the industry has helped her realise the importance of being disciplined. "I have definitely changed a lot. I mean from a reckless teenager, I have become a very very well organised and disciplined person," said Kangana. "Moreover, when you are working, and for the fact that young people like me who have started at 17, they cannot afford to be themselves. You have to really change with the time," she added. The actress made her Bollywood debut with Mahesh Bhatt’s Gangster - A Love Story in 2006, which won her critical acclaim. She was later seen playing a mentally unstable girl in Mahesh Bhatt’s another movie Woh Lamhe. Her stupendous performance as a drug addict model in Madhur Bhandarkar’s Fashion won her a national award. The actress was last seen in Hrithik Roshan-Barbara Mori starrer Kites. Although Kangana admits that her journey has so f