India, April 16 -- Amid an alarming surge in Covid-19 cases, the Uttar Pradesh government on Thursday extended the night curfew hours in 10 worst-hit districts, including Ghaziabad and Gautam Budh Nagar, and also deferred the state board exams till May 15. District administrations of Ghaziabad and Gautam Budh Nagar said they have extended the timings of night restrictions, which will be now from 8pm to 7am, till further orders....