New Delhi: Congress president Sonia Gandhi, senior leader Ghulam Nabi Azad and Mani Shankar Aiyar greets the President Pranab Mukherjee at the Indira Gandhi Centenary Lecture being organised on the occasion of the birth anniversary of former Prime Minister Indira Gandhi at Vigyan Bhavan in New Delhi on Nov. 19, 2016. (Photo: IANS/RB)