The Central Bureau of Investigation (CBI) on Wednesday arrested former Chief Engineer Noida Authorities Yadav Singh in relation with a corruption case. "The CBI has today arrested then Chief Engineer Noida Authorities in an ongoing investigation of a case for allegedly abusing his official position in awarding contracts and causing wrongful loss to the government exchequer. He will be produced in the designate court Ghaziabad tomorrow," R. K. Gaur, Press Information Officer of CBI told the media here.