Following is the chronology of events leading to the Supreme Court on Friday rejecting the plea of Janata Party chief Subramanian Swamy seeking investigation into finance minister P Chidambaram's alleged role in the 2G spectrum scam case:
Dec 15, 2010: Swamy moves special CBI court seeking prosecution of the then telecom minister A Raja in 2G scam and his (Swamy's) appointment as public prosecutor.
Jan 7, 2011: Court holds Swamy's complaint against Raja "maintainable".
Feb 2: Raja along with his former private secretary RK Chandolia and the then telecom secretary Siddharth Behura arrested by the CBI for their alleged role in the 2G case.
Mar 25: Swamy's complaint transferred to Special court set up at the instance of the Supreme Court to try all cases related to 2G scam.
Aug 23: Swamy moves SC for CBI probe against Finance Minister P Chidambaram in the 2G case.
Aug 26: Swamy tells Special CBI court that he will file a plea before it to make Chidambaram a co-accused.
Sept 8: SC directs Swamy to submit his correspondence with the CBI in connection with his plea to investigate Chidambaram's alleged role in the 2G scam.
Sept 15: Swamy tells court he will bring new facts that Chidambaram and Raja had a role in deciding 2G spectrum prices and entry fee.
Sept 22: CBI defends Chidambaram in SC, blames the Department of Telecom (DoT).
Oct 10: SC reserves order on Swamy's plea for a probe into the alleged role of Chidambaram in the 2G scam.
Jan 7, 2012: Swamy places on record various certified copies of the documents in support of his private complaint against Chidambaram.
Jan 21: Special court reserves order for February 4.
Feb 2: SC refuses to ask CBI to probe role of Chidambaram in 2G case and leaves it to the Special court to decide the matter.
Feb 4: Special court dismisses Swamy's plea to make Chidambaram a co-accused.
Feb 23: Swamy moves SC against trial court order on Chidambaram. NGO, Centre for Public Interest Litigation also files application seeking probe against Chidambaram.
Mar 1: Plea against Chidambaram and Law Minister Salman Khurshid for their alleged role in the 2G spectrum scam is listed for hearing in the SC.
Apr 4: SC begins hearing plea against Chidambaram.
Apr 24: SC reserves order on the maintainability of the plea for probe against Chidambaram in the 2G spectrum case.
Aug 24: SC dismisses plea for probe against Chidambaram in the 2G case, says no prima facie material to show that Chidambaram got pecuniary benefits.