The body of one more engineering student from Hyderabad was retrieved today even as the searchbr operation following the tragedy in Beas river resumed on the fourth day with 16 persons still missing.br br The body was badly trapped between rocks and rescue teams had a difficult time retrieving it from the river.br br With this, the number of bodies recovered since the mishap on June 9 has risen to eight while 17 persons, 16 students and the co-tour leader, are still missing.