What is the fine-grained topic of the following text: "DUTA has categorically demanded that the UGC's roster notification of March 5 must be put in abeyance to ensure that no working ad-hoc or temporary teacher is displaced in the new academic session," it said. Only return the topic.
DUTA's demand to put UGC's roster notification in abeyance to prevent displacement of ad-hoc or temporary teachers.