Hyderabad: Drinking water supply in parts of Hyderabad will be disrupted on Wednesday, August 5, owing to repair work at an electricity substation. Installation and maintenance work will be carried out from 10 am to 4 pm for a 33 KV outdoor Vacuum Circuit Breaker (VCB) at the Kalabgur electricity substation, read a press release by the Hyderabad Metropolitan Water Supply and Sewerage Board (HMWSSB) on Monday, August 3. Areas to be affectedAccording to the release, these areas have partial or complete disruption of drinking water:Ramachandrapuram (RC Puram)Ashok NagarJyothi NagarLingampallyChandanagarHafeezpetMadinaguda and MiyapurBeeramgudaAmeenpurBhagyanagar ColonyBHEL FactoryBHEL TownshipCitizens are advised to use and store water judiciously.