This is the chronology of major bomb blasts in Mumbai since 1993:

March 12, 1993: A series of bomb blasts ripped through 13 places in the city, killing 257 people and injuring 713. These were the first blasts in which RDX was used and the explosions were allegedly planned by underworld don Dawood Ibrahim [Images].

December 2, 2002: Two persons were killed and 31 injured when a powerful bomb exploded in a municipal bus outside Ghatkopar suburban railway station in north-central Mumbai.

December 6, 2002: Twenty-five people were injured when a bomb exploded in a food plaza at Bombay Central railway station. The bomb was planted in an air-conditioning duct.

January 27, 2003: Thirty people were injured when a crude bomb planted in a bicycle exploded at a shopping complex outside Vile Parle railway station in north-west Mumbai.

March 13, 2003: Eleven people were killed and 65 injured when a powerful bomb exploded in a ladies special train when it was entering Mulund railway station in the peak hours.

August 25, 2003: Two blasts occurred one after the other at the Gateway of India and Zaveri Bazaar, killing 46 people and injuring more than 160. RDX was planted in taxis parked at both these places.