We have already seen lots of debate of the spectrum scam while allotting the 2G spectrum in India. Today we have another news of irregularities involving the allotment of S Band spectrum in India which is used for 4G in other countries. If you are wondering what is spectrum and the deals in India, The Hindu has a nice illustration on A-Z of spectrum in India.
Click on the image to enlarge it. The article gives in depth idea on various spectrum allotments and the money fetched to Government of India by auction.