May 18, 2007: Bomb rips through historic Makkah Masjid in Hyderabad, killing 9 and injuring 58 others. Another five people killed when police open fire on a group of Muslims protesting against the blast.
May 19, 2007: Special Investigation Team makes large scale arrests in the city, suspecting the involvement of Muslims. 26 charged with conspiracy but acquitted by court.
June 9, 2007: State government hands over the case to CBI after allegations of bias.
December 29, 2007: Suspect Sunil Joshi is shot dead by unknown assailants.
June 17, 2010: CBI arrests Devender Gupta and Lokesh Sharma with a claim that Hindu right wing group Abhinav Bharat was involved.
November 19, 2010: CBI announces arrest of Swami Aseemanand. December 18, 2010: Aseemanand gives statement to court confessing role in blast.
April 4, 2011: NIA takes over the case and books fresh cases. It declares two accused Ramchadnra Kalsangra and Sandeep Dange as absconder.
February 13, 2014: NIA files charge sheet against ten accused including Swami Aseemanand.
March 23, 2017: Aseemanand and Mohanlal Rateshwar granted bail. Aseemamand released from jail on March 30 February 15, 2018: Lt Col Purohit, one of the accused in Malegaon blast, joins the long list of witnesses who turn hostile. Col Purohit contradicts the claim of CBI and NIA that they recorded his statement.
April 16, 2018: Special NIA court acquits five accused.