Actor Rajkummar Rao, whose latest film "Fanney Khan" has received mixed response from the audience, says that box office success of a movie is not his aim.Rajkummar was interacting with media to promote his forthcoming film "Stree" on Tuesday here.The critically acclaimed actor has been often praised by critics and audiences. But he is yet to transform that into a major box office success like his male counterparts such as Varun Dhawan, Ranbir Kapoor and Ranveer Singh have been able to.Asked whether he is working on that aspect, the National Award winner said: "That is not in my hands so, I don39t have any idea how to work on that aspect." "My job is to deliver good performances. My last year39s films, whether it was 39Bareilly Ki Barfi39, 39Trapped39 or 39Newton39, have done good business. So it is not that my films haven39t done well at the box office. "My films are doing good business. That39s the reason why I am constantly working in many films. Box office success of a film is not my aim because it is not in my hands. My job is to act and I get satisfied when people appreciate my work."Rajkummar has featured in different kinds of films. Now he is doing a horror comedy. Asked whether it39s his conscious effort to act in different types of films, he said: "Definitely. That39s my conscious effort because that39s the fun of being an actor... to do different kinds of stuff. "If I will keep doing the same thing over and over again then, I will get bored and the audience will also get bored of me. Therefore, my effort is to choose unique characters or I do something different while playing those characters which will excite me and the audience.""Stree", which also stars Shraddha Kapoor, is scheduled to release on August 31.