Mumbai: Filmmaker Mahesh Bhatt has lauded his star daughter Alia Bhatt and actor Shahid Kapoor for their performances in the film "Udta Punjab", saying that the two are the bravest actors in Bollywood. Mahesh also praised the Abhishek Chaubey directorial, based on drug abuse in the Indian state of Punjab. "Abhishek Chaubey's 'Udta Punjab' is an outstanding film. Shahid and Alia are the bravest actors in tinsel town," Mahesh tweeted on Friday. The "Arth" helmer shared that the performance of Alia - who essayed the character of Pinky, a Bihari immigrant, in "Udta Punjab" is "her best". The filmmaker also shared a photograph of supertstar Shah Rukh Khan and the "Student Of The Year" actress. He captioned the image: "SRK with my wonder child! Alia simply shatters you with her gut wrenching performance in 'Udta Punjab'. Her best!" Co-produced by Phantom Films and Balaji Motion Pictures, "Udta Punjab" also features Kareena Kapoor Khan and Diljit Dosanjh.