Monday, May 20th 06:03 AM IST
Naveen Patnaik IMAGE.
India's main opposition Bharat Janata Party (BJP) led-National Democratic Alliance (NDA) Presidential candidate, P A Sangma (C) waves as BJP president Nitin Gadkari (L), and Orissa Chief Minister Naveen Patnaik (R) look on after filing his nomination papers for the July 19 Presidential Elections, at Parliament House in New Delhi on June 28, 2012. Sangma filed his nomination papers in the presence of senior BJP leader Lal Krishna Advani, opposition leader Sushma Swaraj, and a host of  NDA leaders.

India's main opposition Bharat Janata Party (BJP) led-National Democratic Alliance (NDA) Presidential candidate, P A Sangma (C) waves as BJP president Nitin Gadkari (L), and Orissa Chief Minister Naveen Patnaik (R) look on after filing his nomination papers for the July 19 Presidential Elections, at Parliament House in New Delhi on June 28, 2012. Sangma filed his nomination papers in the presence of senior BJP leader Lal Krishna Advani, opposition leader Sushma Swaraj, and a host of NDA leaders.