The third edition of the London Indian Film Festival (June 20-July 3, 2012) ‘showcases the controversial new movies that are winning international acclaim but offending the establishment by exposing hypocrisies at home’:
http://www.guardian.co.uk/film/2012/jun/21/new-indian-cinema-censorship
http://www.londonindianfilmfestival.co.uk/
Gangs of Wasseypur, trailer: