 He stayed in Tihar jail for fifteen months.The Enforcement Directorate grilled Raja on 10 July 2012 for four hours, to ascertain his role in grant of 2G licenses especially to Swan Telecom and Unitech Wireless.Delhi court on 21 December 2017 acquitted all accused, including former Telecom Minister A. Raja and DMK Rajya Sabha member Kanimozhi in the 2G spectrum allocation case and held that 2G spectrum scam never happened in the first place.