Kalki, 31, who plays a cerebral palsy patient in the Sonali Bose-directed film, took to Twitter to share the news.
"And in Filmfest DC look who won best feature film! http://filmfestdc.org/  #MargaritaWithAStraw," Kalki tweeted.
Before its release on April 17, the film made its world premiere at the 2014 Toronto International Film Festival (TIFF).
The movie later went on to be screened at Tallinn Black Nights Film Festival in Estonia, BFI London Film Festival, Busan International Film Festival (BIFF) and the Santa Barbara International Film Festival.
'Margarita With A Straw' talks about the struggle of Laila (played by Kalki) with the normal activities in her life. It also stars Revathi and Sayani Gupta in prominent roles.


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