No, the maximum duration to complete your degree in Anna University is 7 years. This includes 4 years in college and 3 additional years for those who are unable to complete their degree within 4 years. But after 7 years you cannot complete your degree.
Before 2017, the students who would fail even after 7 years would get a grace period of 1 year. But this practice has been abolished according to the new regulations.
The decision has made it impossible for anyone who had enrolled before 2011 to clear engineering arrears again.