NEW DELHI: The Central Bureau of Investigation (CBI) is investigating alleged fraud at state-run Syndicate Bank that involves more than INR 10 billion ($148.4 million), a police spokeswoman said on Tuesday. The CBI is searching 10 locations that include bank branches and homes of bank employees, CBI Spokeswoman Devpreet Singh said. The alleged fraud includes the use of fake bills and providing overdraft limits against non-existent life insurance policies, Singh said. Syndicate Bank did not immediately respond to a request seeking comment.