Priyanka Chopra's debut Marathi production 'Ventilator' won in three categories at the 64th National Film Awards announced on Friday. While Rajesh Mapuskar was named Best Director, Rameshwar Bhagat won the Best Editing award. Meanwhile, Alok De bagged the Best Sound Mixing award for the film. 'Ventilator' has been produced by Priyanka and her mother's production banner Purple Pebble Pictures.