<p>The Commission for Air Quality Management (CAQM) on Monday lifted the restrictions on construction and demolition activities in Delhi-NCR in view of an improvement in air quality and meteorological forecast.<br><br>The central air quality panel had on Friday allowed authorities in Delhi-NCR to resume physical classes for students in classes 6 and above, colleges and other educational institutions with immediate effect.<br><br>It had also said that physical classes for students up to classes for students up to class 5 can begin from December 27.<br><br>"The CAQM considering the improvement in air quality and meteorological forecast allows the resumption of C&D activities in NCR and also the entry of trucks into Delhi with immediate effect," the panel tweeted on Monday.</p>