Chronology of bomb attacks in India
Here is a list of deadly bombing that have hit India over the last few years.
March 13, 2003 - A bomb attack on a commuter train in Mumbai kills 11 people.
August 25, 2003 - Two car bombs kill about 60 in Mumbai.
August 15, 2004 - A bomb explodes in the northeastern state of Assam, killing 16 people, mostly schoolchildren, and wounding dozens.
October 29, 2005 - Sixty-six people are killed when three blasts rip through markets in New Delhi.
March 7, 2006 - At least 15 people are killed and 60 wounded in three blasts in the Hindu pilgrimage city of Varanasi.
July 11, 2006 - More than 180 people are killed in seven bomb explosions at railway stations and on trains in Mumbai that are blamed on Islamist militants.
September 8, 2006 - At least 35 people are killed in a series of explosions, including one near a mosque, in Malegaon town, 260km northeast of Mumbai.
February 19, 2007 - Two bombs explode aboard a train heading from India to Pakistan; at least 66 passengers, most of them Pakistanis, burn to death.
May 18, 2007 - A bomb explodes during Friday prayers at a historic mosque in the southern city of Hyderabad, killing 11 worshippers.
August 25, 2007 - Three coordinated explosions at an amusement park and a street stall in Hyderabad kill at least 40 people.
May 13, 2008 - Seven bombs rip through the crowded streets of the western city of Jaipur, killing at least 63 people in markets and outside Hindu temples.
July 25 - Eight small bombs hit the IT city of Bangalore, killing at least one woman and wounding at least 15.
July 26 - At least 16 small bombs explode in Ahmedabad in the state of Gujarat, killing 45 people and wounding 161.
September 13 - At least five bombs explode in crowded markets and streets in the heart of New Delhi, killing at least 23.
October 30 - Eleven bomb blasts in quick succession rip through the main city of India's troubled northeastern Assam state and three other towns, killing at least 61 people and wounding 470