COLOMBO (News 1st) - The National Water Supply and Drainage Board has announced a system to supply water according to a schedule for several areas in the Colombo District from today until April 10.The move aims to minimize inconvenience to consumers amid prevailing dry weather conditions and to avoid prolonged daily water interruptions.According to the Board, water supply to areas including Battaramulla, Pamankada, Wellawatta, and Nawala will be ...