India, Nov. 9 -- From the uptempo dance number Dard-e-Disco to soulful ballads Main Agar Kahoon and Aankhon Mein Teri - the music of Om Shanti Om (2007) continues to be loved even today. As the film turns 15, one half of composer Vishal-Shekhar duo, Shekhar Ravjiani, tells us why the project is "special", and why the soundtrack continues to stay relevant....