The Supreme Court on Monday postponed till April 16 the proceedings in the Special CBI court against Sunil Bharti Mittal, CMD of Bharti Cellular Limited in 2G spectrum allocation case in 2002. He has been summoned as an accused in the case .CBI, which told the apex court that investigation into the case has found evidence against the CMD, was asked to file a short affidavit along with the police report,The bench said Mittal will file the rejoinder to the CBI affidavit by Saturday and the matter will be heard by it on April 15.