Chennai: Power supply will be suspended in areas in and around Thirumangalam in West Chennai and Tondiarpet and areas surrounding the locality in the northern parts of the city from 9 AM to 5 PM for maintenance works.According to a press release issued here, the entire Anna Nagar West and West Extension area, W-Block, Metrozone Flats, Thiruvalleeswarar Nagar, Padikuppam Road, Welcome Road, Welcome Colony, Asiad Colony, Old Thirumangalam, AF Block, AE Block and surrounding areas will be part of the localities where power supply will be suspended due to maintenance works.