December 4, 2015: Court rejects CBI's closure report; orders probe to continue.
December 24, 2014: CBI files third closure report giving clean chit to Tytler.
April 10, 2013: Sessions court rejectes closure report, directed further investigation.
April 27, 2010: Magisterial court accepted closure report.
March, 2009: Second closure report filed.
December 2007: Court rejects closure report, direct further investigation.
October 2007: First closure report filed.
November 22, 2005: A case was registered by CBI against Tytler on the recommendation of the Nanawati Commission.
February 8, 2005: Justice G.T. Nanavati Commission appointed to look into the 1984 anti-Sikh riots, submits its report.
November 1984: Sikhs were killed in the riots following the assassination of prime minister Indira Gandhi Oct 31, 1984.