Aamir Khan fans it's time to rejoice! The trailer of the actor's next big venture, Dangal is all set to be released. The film's production house, UTV Motion Pictures posted on Twitter: 20 Oct hai #Dangalvaar… #Dangal ke trailer ke liye ho jaao taiyaar! @aamir_khan @niteshtiwari22. The film is slated to release on 23rd Dec.