Even before the release of the smash hit Pushpa, it's songs had become a rage. So, when DSP, the music director of Pushpa won the National Award for the film's music, it didn't come as a surprise. NDTV caught up with DSP when he made his way to Mumbai. Over some vada pav, the music composer opened up about his process of music-making and how he puts his heart and soul into his work without any expectations.