A chronology of recent major bomb blasts in the country:

May 13, 2008: Eight serial blasts rock Jaipur in a span of 12 minutes, leaving 65 dead and over 150 injured.

January 2008: Terrorist attack on CRPF camp in Rampur kills eight.

October 2007: 2 killed in a blast inside Ajmer Sharif shrine during Ramadan, in Rajasthan.

August 2007: Thirty dead, 60 hurt in Hyderabad terror strike.

May 2007: A bomb at Mecca mosque in Hyderabad kills 11 people.

February 19, 2007: Two bombs explode aboard a train bound from India to Pakistan, burning to death at least 66 passengers, most of them Pakistanis.

September 2006: Thirty dead and 100 hurt in twin blasts at a mosque in Malegaon.

July 2006: Seven bombs on Mumbai's trains kill over 200 and injure 700 others.

March 2006: Twin bombings at a train station and a temple in Varanasi kill 20 people.

October 2005: Three bombs placed in busy New Delhi markets a day before Diwali kill 62 people and injure hundreds.