After Kaala Patthar (1979), Gangs Of Wasseypur (2012) and Gunday (2014), Asshu Trikha's next film, Koyelaanchal, is another movie based on India's coal mafia. The film features Suniel Shetty playing an IAS officer and actor Vinod Khanna portraying the negative role. The film, which will release on May-9, deals with politics, bureaucracy and labour issues.