Section 20(2) in The First Statutes of the National Institutes of Technology
(2)The Head of a Department or Centre shall hold his post for a term of two years:Provided that after the expiry of his term of office, he shall continue to hold office till the appointment of his successor:Provided further that no person shall head a Department or Centre continuously for a period exceeding three years unless he is specially appointed at least for a second term.
