Katrina underwent physical training

Bollywood actress Katrina Kaif says she had to go through intense physical training for "Dhoom 3" and for the song "Sheila Ki Jawani". The item number "Sheila Ki Jawani" from the film "Tees Maar Khan", directed by Farah Khan had become widely popular. In "Dhoom 3", the 32-year-old actress was the leading lady of the film and was seen as a dancer. "I had to do intense physical preparations For 'Dhoom 3' and 'Sheila Ki Jawani' and with pilates I got it right. Pilates is gentle way of training. There are no shortcuts to becoming fit one has to stay fit and healthy," Katrina told reporters here at an event here. "Depending on the demand of the role we have to either have a toned down look or athletic. Accordingly, we have to keep altering," the "Ek Tha Tiger" star said. Heaping praise on Katrina, actress Alia Bhatt who was present on the occasion, said, "I admire the way she did it. I loved her in 'Dhoom 3' and 'Sheila Ki Jawani' song." The book -- 'Sculpt and Shape: The Pilates Way', co-authored by Yasmin Karachiwala, a leading fitness professional and Zeena Dhalla was launched today in the presence of Kaif, Bhatt and actress Sophie Chaudhary.