Chandigarh: The Chandigarh administration has instructed all colleges to open from Tuesday. But, semester examinations are on in colleges. Examinations will be continued till the last week of February after that classes will be started based on the timetable fixed by the University. College principals said that offline classes will be started in March. Meanwhile, PEC has asked students of M.Tech and PhD to report for Physical classes on February 1. The Chandigarh education department Monday, released orders in pursuance of the order issued by the advisor to the administrator saying that all schools will be reopened physically for classes X to XII from February 1, 2022. Students above the age of 15 must be vaccinated with at least the first dose to attend offline classes. The orders also enjoined upon all officials and students aged 18 and above to be completely vaccinated.