Water shortages across Hyderabad's CURE region have disrupted residential colleges and hostels, with Sri Chaitanya and Narayana campuses announcing holidays until Diwali. Osmania University is also preparing for reduced water supply after receiving notice from HMWSSB about shorter supply hours. Hyderabad: The water crisis in the Core Urban Region Economy (CURE) region due to the El Niño impact has begun affecting educational institutions and hostels, forcing residential colleges to declare temporary holidays.