Section 9(1)(xvii) in The Gauhati University Act, 1947
(xvii)One-third of the Principals of Degree Colleges affiliated to the University by election from among themselves in the manner prescribed by the statutes. In case the number of Degree Colleges affiliated to the University being not divisible by three and found to be more than half, one more College may be included but if it is less than half, it may be ignored,