Rift in DMK front as Cong comes out against Stalin on clemency to Rajiv assassins By IANS | 0 Views DMK leader M.K. Stalin. (File Photo: IANS). Image Source: IANS News Chennai, May 21 : It was on this day three decades back that former Prime Minister Rajiv Gandhi was assassinated by a suicide bomber from the Liberation Tigers of Tamil Eelam (LTTE). A controversy has now arisen in the ruling DMK front of Tamil Nadu with the state Congress chief coming out against Chief Minister MK Stalin writing to President Ram Nath Kovind pleading for clemency for the seven convicts in the Rajiv assassination case.