Aug 25, 2003: At least 52 people were killed and 100 others injured in the twin blasts that took place in Zaveri Bazzar and Gateway of India in Mumbai.
Aug 31, 2003: Three accused Ashrat Ansari (32), Hanif Sayed (46) and his wife Fehmida Sayed (43) were arrested for the twin blasts.
Oct 1, 2003: Mohammed Ansari Ladoowala and Mohammed Hasan Batterywala were also accused for the blasts.
Oct 2, 2003: Another accused Zaheer Patel (name changed as he later became approver in case) arrested.
Feb 5, 2004: The six accused were charged under the case of Prevention of Terrorism Act court for blasts. Accused also alleged to have been involved in placing an unexploded bomb in a bus at SEEPZ in suburban Andheri in Dec 2, 2002 and placing bomb in bus at Ghatkopar in Jul 8, 2003 in which two persons were killed.
May 5, 2004: POTA court pardoned Zaheer Patel and declared approver.
Jun 20, 2004: Charges framed by court against five accused.
Sept 2, 2004: Trial commences.
Dec, 2008: Ladoowala and Batterywala were released from the case by POTA court after Supreme Court upholds POTA review committee report stating no case against them.
Jul 27, 2009: Three accused Ashrat Ansari, Hanif Sayed and his wife Fehmida Sayed convicted by special POTA court under sections of IPC, POTA, Explosives Act and Explosive Substances Act. Supreme Court said arguments on quantum of sentence to be heard on August 4.
Aug 6, 2009: The POTA court awards death sentence to all three accused in the 2003 Mumbai twin blasts.