Watch Ra Ra Krishnayya Movie Trailer Onam Onam Song Promo Video. RaRa Krishnayya stars Sundeep Kishan and Regina Cassandra in main leads. Directed by Mahesh and produced by Vamsi Krishna Srinivas on SVK Cinema banner. music Achu.Ra Ra Krishnayya Movie Onam Onam Promo Song HD Watch Online and Download.