 The Comptroller and Auditor General (CAG) holds Raja personally responsible for the sale of 2G spectrum at 2001 rates in 2008.In August 2010, evidence was submitted by the CAG showing that Raja had personally signed and approved the majority of the questionable allocations.Although the political opposition was demanding his resignation over the 2G spectrum case, Raja initially refused to resign, stating his innocence, and this view was backed by his party president M. Karunanidhi.