HAFIZABAD: Powerloom workers on Wednesday took out a rally against the Wapda for sending overbilling in the electricity bills. The rally was led by Powerloom Labour Union president Muhammad Zaman Ansari which started from Mian Da Kot and ended at Fawara Chowk. The labourers chanted slogans against the Wapda for sending overbilling in the electricity bills. They said that due to overbilling, they were facing numerous problems. The protesters warned that if their bills were not corrected, they would besiege the Wapda offices. They also demanded strict against those Wapda officers who were involved in sending overbilling.