Which was the first Hindi Movie to receive the national award?

Mirza Ghalib was the first Hindi movie which received the first national award in the year 1955. This film was directed by Sohrab Modi and it stars Bhushan as Ghalib and Suraiya as his courtesan lover.Released in the year 1954, the movie was based on the life of Mirza Ghalib who was a great poet. It was a romantic drama movie which depicted the life of Mirza Ghalib so beautifully for which Mirza Ghalib was honored with the first president's Silver Medal for Best Feature Film in Hindi.