Actor Sai Kumar, who is considered as a dialogue king because of his powerful voice, is taking up a new responsibility. Sai Kumar's ever hit dialogue 'kanipinche moodu simhalu..' had became iconic for many a policemen. Sai Kumar is to be the brand ambassador for the Vijayawada city police department. Sai Kumar has been roped in by the AP city police department to spread various awareness campaigns taken by the police to the public. Vijayawada City Police Commissioner Ab Venkateswara Rao thanked Sai Kumar for agreeing to be the ambassador for the police department.