Egypt's Administrative Control Authority (ACA), the anti-corruption watchdog, revealed on Monday another corruption case for the ousted President Hosni Mubarak and his sons.

According to the ACA, this is the biggest corruption case revealed since the uprising, reported the Middle East News Agency.

One billion Egyptian pounds have been extracted from fake works of contraction to modify the presidential palaces, only these modifications never happened.

ACA's report said that the president and his family used the money to build private villas owned by them.

The report added that there are more people involved in this case to be revealed by further investigations.

The Court of Appeal has set the date April 13 for the retrial of Mubarak, his sons and his Minister of Interior in the case of killing protesters during the events of the uprising.