Indian Hindi screenwriter and director. He is best known for his directorial debut, Do Dooni Chaar, for which he won Filmfare Award for Best Dialogue. He co-wrote Siddharth Anand's Salaam Namaste. He also wrote director Shaad Ali's Jhoom Barabar Jhoom starring Abhishek Bachchan and Preity Zinta, and Siddharth Anand's Ta Ra Rum Pum starring Saif Ali Khan and Rani Mukherjee. All three are Yashraj films. He also wrote Band Baaja Baaraat which was released in late 2010.