The awards carry a £20,000 prize.
By Mona Tabbara
The awards aim to champion creative audacity and ambition.
The three sets of winners will receive a £20,000 prize.
Harry Lighton's queer biker romance Pillion world premiered at Cannes in Un Certain Regard, where it picked up the best screenplay award.
Sandhya Suri, writer-director of Santosh, is also among the winners.
Author's summary: BFI and Chanel awards announced.