Taking to X, Tharoor stated that Singh did not need a "certificate" from the top court for his integrity, adding that those who sought to implicate the former PM should be ashamed of themselves.
In his book, titled "India and I: A Hundred Memories, Not a Memoir', the former CEC recalled a visit to the PM residence after he expressed his anguish over certain remarks made by ministers during the 2012 state elections in Uttar Pradesh.