Following is the chronology of major blasts in the country:

Varanasi, Dec 7, 2010: Two-year-old girl killed and 25 others injured in a blast which takes place between the Dashashwamedh and Shitla ghats on the river Ganga.

Pune, Feb 13, 2010: 17 people killed and over 60 injured when a bomb rips out the famous German bakery in the city.

Mumbai, Nov 26, 2008: 166 people killed in coordinated serial explosions and indiscriminate firing across Mumbai including the crowded CST railway station and two five-star hotels -- Oberoi and Taj.

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Assam, Oct 30, 2008: At least 77 killed and over 100 injured in 18 bombings across Assam.

Imphal, Oct 21, 2008: 17 killed in a powerful blast near Manipur Police Commando complex.

Malegaon, Maharashtra, Sep 29, 2008: Five people killed after a bomb kept in a motorbike goes off in a crowded market.

Modasa, Gujarat, Sep 29, 2008: One killed and several injured after a low-intensity bomb kept on a motorcycle goes off near a mosque.

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New Delhi, Sep 27, 2008: Three people killed after a crude bomb is thrown in a busy market in Mehrauli.

New Delhi, Sep 13, 2008: 26 people killed in six blasts across the city.

Ahmedabad, July 26, 2008: 57 people killed after 20 synchronised blasts in less than two hours.

Bangalore, July 25, 2008: One person killed in a low-intensity bomb explosion.

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Jaipur, May 13, 2008: 68 people killed in serial bombings.

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

October 2007: Two killed in blast inside Ajmer Sharif shrine in Rajasthan during Ramzan.

August 2007: 30 dead, 60 hurt in Hyderabad terror strike.

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

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

September 2006: 30 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.

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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.