Mumbai, August 14 (ANI): Bollywood actor Aamir Khan who was attending a Marathi book release event in Mumbai, told media persons about the release of another poster for his upcoming film _PK_ and said it won_t even have a transistor. A case was filed against Khan, for his _obscene_ poster of his upcoming film _PK_, which was published in major newspapers across India. The poster showed Khan standing nude on a railway track with a strategically placed vintage boombox. The case was filed by an advocate in a court at Kanpur Manoj Kumar Dixit, against Khan, film producer Vidhu Vinod Chopra, film_s director Rajkumar Hirani and promoters of the film. _PK_ also stars Bollywood actress Anushka Sharma and is slated for release on December 19.