NEW DELHI, INDIA - AUGUST 20: Congress President Sonia Gandhi paying floral tributes to former Prime Minister Rajiv Gandhi on his 75th birth anniversary at Veer Bhumi, on August 20, 2017 in New Delhi, India. Rajiv Gandhi was the son and successor of the late Prime Minter Indira Gandhi. He was the sixth Prime Minister of India serving from a period between 1984- 1989. (Photo by Arvind Yadav/Hindustan Times )