A member of India's Congress party walks past a memorial to former prime minister Rajiv Gandhi on his 18th death anniversary in Sriperambatur, on the outskirts of the southern Indian city of Chennai, May 21, 2009. Rajiv Gandhi, husband of Congress chief Sonia Gandhi, was killed by a female suicide bomber during an election campaign on May 21, 1991. Reuters Pictures 6 months ago

A member of India's Congress party walks past a memorial to former prime minister Rajiv Gandhi on his 18th death anniversary in Sriperambatur, on the outskirts of the southern Indian city of Chennai, May 21, 2009. Rajiv Gandhi, husband of Congress chief Sonia Gandhi, was killed by a female suicide bomber during an election campaign on May 21, 1991.