Watch: PM Modi, Rahul Gandhi pay tribute to Parliament attack victims

Vice-President Venkaiah Naidu, Prime Minister Narendra Modi and former PM Manmohan Singh paid tribute to people who lost their lives in the terrorist attack on Parliament on December 13, 2001. Bharatiya Janata Party (BJP) chief Amit Shah, senior leader Lal Krishna Advani, Lok Sabha speaker Sumitra Mahajan, United Progressive Alliance (UPA) chairperson Sonia Gandhi were also present at the event.