New Delhi, Feb 21 (IANS): The five officials of corporate entities, arrested in petroleum ministry document leakage case, would be produced before the Patiala House court here Saturday.

Those arrested Friday were RIL corporate affairs manager Shailesh Saxena, Jubilant Energy senior executive Subash Chandra, Reliance ADAG DGM Rishi Anand, Essar DGM Vinay and Cairns India GM K.K. Naik.

The executives were booked under sections dealing with criminal conspiracy and use of stolen property.

Earlier, the court sent four other accused, including a former journalist, to police custody till Feb 23.

With the seven arrests Friday, the total number of arrests in the case went up to 12.

On Thursday, police had arrested five persons, including two petroleum ministry employees, for stealing documents and leaking them to corporate houses.

The police complaint said the stolen documents included inputs for the forthcoming union budget and a letter concerning the prime minister's office.

The documents were also related to the power and coal ministries, police said.

The theft of documents was taking place in the office of the ministry located in the high-security Shastri Bhawan near the Parliament House complex.

The first information report (FIR) details show the "secret papers" were photocopied after office hours by the arrested, who used duplicate keys to open the offices after entering Shastri Bhawan with the help of forged identity cards and temporary passes obtained fraudulently.