Mahesh Babu is gearing up for the shoot of his Tamil-Telugu bilingual with ace director Murugadoss. The film is said to be a big budget action entertainer and Rakul Preet Singh will play the leading lady. The latest to join the crew list is lyricist Madhan Karky. "Happy to be part of director @ARMurugadoss’s new project with @urstrulyMahesh. Worked on a stylish hero intro number with @Jharrisjayaraj," he tweeted.