Purohit, who is also the Chancellor of Periyar University appointed P Kolandaivel as its Vice Chancellor, yesterday.
Similarly, he appointed P Manisankar as the Vice-Chancellor of Bharathidasan University, Tiruchirapalli.
The two academicians would hold the post for a period of three years upon assumption of office, an official release said.
Following their appointment, the Vice-Chancellors had called on Purohit today, it said.