New Delhi, July 31 (ANI): Leaders of the Congress Party on Thursday unanimously rejected former external affairs minister K. Natwar Singh’s claims of Rahul Gandhi preventing party president and his mother Sonia Gandhi from becoming prime minister in 2004. Congress leader Mallikarjun Kharge told ANI, “Such books get published everyday and people say a lot of things to market their books. These are baseless claims. If the person was close to the family, then they could have said it earlier too, but they are saying it now to sell their books.” Senior Congress leader Ambika Soni said, “Natwar Singh is saying all this after ten years.