Leading Indian multiplex chain PVR Inox will mount a week-long retrospective dedicated to director David Dhawan beginning May 8, screening five of his most celebrated Hindi-language comedies across 40 venues in 25 cities. The festival arrives as Dhawan prepares to release “Hai Jawani Toh Ishq Hona Hai,” described as his final film as a director. Dhawan is considered one of India’s foremost filmmakers in the comedy genre. The lineup – “Aankhen,” “Raja Babu,” “Maine Pyaar Kyun Kiya,” “Partner” and “Main Tera Hero” – covers different chapters of a career stretching beyond four decades. “Raja Babu” casts Govinda alongside Karisma Kapoor; “Partner” puts Govinda and Salman Khan together in a buddy comedy; “Maine Pyaar Kyun Kiya” stars Khan with Sushmita Sen and Katrina Kaif; “Main Tera Hero” features Varun Dhawan ; and “Aankhen” turns on a double-role conceit.…