Sonu Nigam Chants Gayatri Mantra. Bollywood's soulful singer Sonu Nigam was seen in a recent event performing on stage. The singer chanted Gayatri Mantra in his soulful voice. Check it out. Regular Facebook Updates http://www.facebook.com/RajshriDotCom. Watch more http://www.youtube.com/playlist?list=PL4E87895D45C52ECE for the latest bollywood film reviews, makings & trailers.