[2] Born Rajkumari Haksar, Mrs. Kaul was a blood relation of Indira Gandhi,[3] and a 'household member' of Indian Prime Minister Atal Bihari Vajpayee's family,[4] and the mother of Vajpayee's adopted daughter Namita.
[5][6] Political scientist Vinay Sitapati, in his book 'Jugalbandi: The BJP before Modi', writes "The heart of the relationship between Vajpayee and Rajkumari was intellectual.
From a provincial north Indian milieu, Vajpayee was both perplexed by as well as attracted to an educated woman who could hold her own.
"[7] When she died on 03 May 2014, Atal Bihari Vajpayee bedridden after his 2009 stroke,[8] could not attend her last rites due to ill health but numerous political dignitaries viz.
L K Advani, Sonia Gandhi, Rajnath Singh, Sushma Swaraj, Arun Jaitley, Ravi Shankar Prasad and Jyotiraditya Scindia attended her last rites.