Congress party's student wing – NSUI 'on Saturday wrested complete control of the Delhi University Students' Union from BJP backed ABVP by winning all three top posts.NSUI's Arun Hooda defeated his nearest rival Ankit Dhananjoy of ABVP for the post of president by a margin of 5,465 votes. NSUI took control of the students union after a gap of couple of years as the outfit could only win the president's post last year.