This letter certifies that Mr. Thangaraj Kannan completed a summer internship from June 1st to July 31st 2015 at the University of Petroleum & Energy Studies as part of his curriculum. During his internship, he worked hard under Mr. Hem Thukral on a project called "ROADMAP ON CYBER SECURITY FOR THE POWER SECTOR". His supervisor found him to be a hardworking candidate who showed keen interest in his assignment.