The 2G spectrum scam involved Indian government officials and ministers undercharging mobile companies for licenses, leading to a massive financial loss estimated at $38.27 billion. Key figures included A. Raja, the telecom minister, and corporate lobbyist Nira Radia, with media allegations of complicity in the corruption. The scandal resulted in widespread political and legal ramifications, including the arrest of several officials and the revocation of numerous telecom licenses by the Supreme Court.