India, Dec. 7 -- Back in 2016, when Meghna Gulzar first met Laxmi Agarwal [an acid attack survivor], the director found her "far more introverted and closed as a person" than what she is today. "She was nowhere in the limelight," says the filmmaker. Now, of course, Laxmi is an undaunted picture of strength and resilience. And the inspiration behind Meghna's next, Chhapaak, starring Deepika Padukone in the lead role....