In her memoir Belonging: A Journey of Love, Sonia Gandhi recalls how former President Pranab Mukherjee hinted at his ambition to become Prime Minister during a conversation in 2010. His daughter, Sharmistha Mukherjee, has questioned Sonia Gandhi’s reaction, asking whether ambition is a crime. The book also discusses Sonia Gandhi’s relationship with Prime Minister Narendra Modi and tensions within the Gandhi family.