Massu Engira Masilamani (English: Masilamani alias Mass), also known by its former title Masss, is a 2015 Tamilsupernatural thriller film directed by Venkat Prabhu.Produced by K. E. Gnanavel Raja under his newly formed studio Aadnah Arts,[6] it features an ensemble cast including Suriya, Nayantara, Parthiban, Samuthirakani, Premgi Amarenand Pranitha Subhash. Yuvan Shankar Raja composed the music and cinematography was handled by R. D. Rajasekhar.[7] The film was released worldwide on 29 May 2015. A Telugu dubbed version, titled Rakshasudu, was released simultaneously in Andhra Pradesh and Telangana.