Jhanvi Kapoor & Kartik Aaryan To Play this interesting role in Dostana 2. Jhanvi Kapoor and Kartik Aaryan will play siblings vying for the affections of the same person in Dostana 2, a sequel to producer Karan Johar’s 2008 comedy. A new report says that Karan will introduce a newcomer to play the third lead in the film. quoted a source as saying, Kartik and Jhanvi are not paired opposite each other in Dostana 2. In fact, they are playing siblings in the film. This is a new brother-sister pairing that KJo is introducing with the movie.