Congress chief Rahul Gandhi, UPA chairperson Sonia Gandhi, and party general secretary Priyanka Gandhi paid tribute to former Prime Minister Rajiv Gandhi on his 28th death anniversary this morning at his memorial, Veer Bhumi, in Delhi. Besides the Gandhi family, former Prime Minister Manmohan Singh and former president Pranab Mukherjee, among other senior party leaders, were also present at Veer Bhumi.