Power supply will be hit from 10 a.m to 2.30 p.m on Friday at Mariamman Nagar, part of Sundararaja Nagar, Jancy Nagar and Ragavendra Nagar, Thendral Street, Vasan Nagar, Kodisamy Nagar, Janpal Nagar, Oulgaret South bypass, Omsakhi Nagar, Srinivasa Nagar, and Sinnasamy Nagar. The disruption in power supply was owing to maintenance work.