Hyderabad will face an 18-hour water supply disruption from 10 am January 8 to 4 am January 9 due to Phase 3 Singur pipeline repairs and 132 KV Kandi substation maintenance. Affected areas include Madhapur, Kondapur, KPHB, Hafizpet, Miyapur, BHEL, and Hyderabad Central University. Residents are advised to use water judiciously.