Popular music director Devi Sri Prasad is over the moon now a days. DSP revealing the secret behind it said for the first time he is working with Kollywood renowned lyricist Vairamuthu. He is doing it for Vijay, Shruti Hasan,Hansika,Sridevi,Sudeep starrer Puli directed by Chimbudevan. Vairamuthu is penning all the six songs in the film. DSP expressed his happiness by going to Vairamuthu’s house and presenting him a bokay.