Delhi NCR School on Hybrid Mode: Starting today, schools in Gautam Buddh Nagar district and Noida have switched to hybrid till Class 5. The shift is part of GRAP- 3 implementation across Delhi-NCR to avoid serious health issues. Schools up to Class 5 in Noida, Greater Noida and Ghaziabad have been directed to switch to hybrid mode as air quality deteriorates across Delhi-NCR.