Students of Manipur University under the aegis of the Manipur University Students’ Union today locked the office rooms of the Vice Chancellor of the Manipur University, A-Block and office room of the Dean of Social Science over failure to clarify on the difference between Master of Education and MA in Education. Earlier, the students had staged a sit-in-protest at MU complex demanding a clarification and submitted memorandum to the MU authority to clarify the matter by December 31.