Rahul Gandhi (front), Indian parliamentarian and son of chief of Congress party Sonia Gandhi, sits after paying tribute at his father Rajiv Gandhi's memorial on the occasion of former Prime Minister's 18th death anniversary in New Delhi May 21, 2009. Rajiv Gandhi was killed by a female suicide bomber during election campaigning on May 21, 1991. Reuters Pictures logo Reuters Pictures 33 months ago

Rahul Gandhi (front), Indian parliamentarian and son of chief of Congress party Sonia Gandhi, sits after paying tribute at his father Rajiv Gandhi's memorial on the occasion of former Prime Minister's 18th death anniversary in New Delhi May 21, 2009. Rajiv Gandhi was killed by a female suicide bomber during election campaigning on May 21, 1991.