I enjoy intense films: Aishwarya Rai Bachchan

After her power-packed role in "Jazbaa", actress Aishwarya Rai Bachchan has started shooting for "Sarbjit", in which she sports a de-glam avatar. She says she enjoys "intense" roles."Work on 'Sarbjit' has begun and we have just started filming. It is an intense film and as an actor, I obviously enjoy that," Aishwarya said at the red carpet of an awards event here.The film, helmed by Omung Kumar, is a biopic on Sarabjit Singh, an Indian farmer who was convicted of terrorism and spying in Pakistan and was sentenced to death. He was attacked by inmates at a prison in Lahore in April 2013 and died a few days later.Aishwarya plays his sister Dalbir Kaur in the movie. She's glad that her look in the movie is being appreciated."The picture (of the look) already came out, and I am very thankful for the response that lot of people have messaged me, encouraging the choice of subject," said the 42-year-old.