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.
All the persons named in the FIR have denied allegations levelled by CBI terming the case to be of "political vendetta" by the government.
Pilot has said he had resigned from the company in late 2002 or early 2003 (before he became MP) when it decided to become a "for profit" company from the "non-profit" venture as he was associated with it only for social cause.
"Many international funds have invested in the company and are represented in the board. Kirit Somaiya, who made the allegations, has been sued by the company," he said.
Gehlot also charged that the case was politically motivated and an attempt by Raje government to divert attention of people," he said.