Section 14(1)(b) in The Anna University of Technology, Chennai Act, 2010
(b)The Registrar shall hold office for a period of three years: Provided that the Registrar shall retire on attaining the age of sixty years in the case of an University Professor and fifty-eight years in the case of a Professor of any Government engineering college or on the expiry of the period specified in this Clause, whichever is earlier.