India, Aug. 18 -- Veteran filmmaker David Dhawan celebrated his 75th birthday on Sunday with actor Salman Khan, producer Sajid Nadiadwala, writer-director Rumy Jafry and sons Varun and Rohit Dhawan. The celebration also brought a dose of nostalgia, with Salman and Dhawan having delivered several hit comedies together from the 1990s to the 2000s, including Judwaa (1997), Biwi No. 1 (1999), Mujhse Shaadi Karogi (2004) and Partner (2007).HTC...