The 47-year-old actor said he was trying to alter his looks in the film.
"I am looking forward to working with Katrina. This is the first time I will be working with her. My look in the film is under progress", he said.
Khan cleared the rumours that there is no similarity between his yet to be released "Talaash" and the already released Vidya Balan starrer "Kahani".
Khan, who is making his debut in television by hosting 'Satyamev Jayate', said due to the show the release of "Talaash" got delayed.
"This show has enveloped my life completely.. I am not known to multi task. The film is very special to me.. It is coming after 2 years. So we selected a new date of Nov 30," he said.
The actor said he is not interested in Politics.
"I am not interested in politics. That does not interest me. I am an entertainer. I make people laugh, cry and do different things..', Aamir said. PTI UD VS NDS