Rajshahi University (RU) goes into a 21-day vacation from today on the occasion of Eid-ul-Fitr and Durga Puja. The male, female dormitories and the offices will remain closed from September 17 to October 01. RU Registrar Prof M A Bari said the classes of regular courses will remain closed from September 10. Meanwhile, the students of the university have already started for home to celebrate Eid with their near and dear ones.