CBI sources said the houses of present directors of the company Sweta Mangal, Naresh Jain and Ravi Krishna were searched.“The FIR was registered against the then Directors of the private firm at Mumbai/Jaipur and others including public servants under section 420 (cheating), 467 (forgery), 468, 471 and 120-B of IPC on the allegations of irregularities in the award of tender in favour of the said firm by deliberately inserting technical specifications and irregularities in the implementation of the project which included excess bills claimed by said firm and paid to them,” CBI spokesperson said.