LUCKNOW, Sept. 15 -- Twelve contractors and five railway employees were being investigated for allegedly using counterfeit fixed deposit receipts (FDRs), experience certificates and other documents to secure railway contracts, senior Central Bureau of Investigation (CBI) officials said.

An official said the CBI Lucknow unit conducted inspections at the divisional railway manager (DRM) offices in Lucknow and Varanasi four days ago. Later, the DRM office in Gorakhpur was also searched. "The CBI will conduct interrogations to gather more information after scrutinising the seized documents," he added.

He said the allegations involved the submission of fake documents to secure contracts for railway projects. He said the CBI was investigating...