In 2012 , Kashyap came up with his ambitious directorial venture '' Gangs of Wasseypur '' , which screened at the 2012 Cannes Directors ' Fortnight , London Indian Film Festival , Toronto film festival and the Sundance Film Festival in 2013 . The film with an ensemble cast , was a two-part crime saga centred on the coal mafia of Dhanbad with the story spanning from the early 1940s to 2009 . The first part was released on 22 June , and the second on 8 August 2012 , both receiving appreciation from Indian and international critics alike . The combined budget of the two films allowed it to be a box-office success
Toronto film festival
2012 Toronto International Film Festival
Anurag Kashyap