Rajiv Gandhi would have turned 72 on August 20. Had he lived. On a humid night 25 years ago, the former prime minister of India was murdered in cold blood by an LTTE suicide bomber. Neena Gopal was an eyewitness to the assassination, and in this exclusive extract from her new book, The Assassination of Rajiv Gandhi, she reveals for the first time what she saw in Sriperumbudur that night.