The briefing, which is likely to take place this week, will also include details about the ongoing arbitration and investigations going on in both India and Italy in the case
The CBI on its part said that it has taken note of the report targetting Sonia aides.
Christian Michel, the middle man who has emerged as the kingpin, in the case had visited India a week before the CBI filed a preliminary enquiry.
Haschke, who was questioned first by Defence Ministry officials and later by the CBI, had told the probe agency that money was given to Tyagi brothers for the engineering works and meeting other administrative requirements in India, official sources said.
During his deposition before a court in Milan, Haschke claimed he knew the cousins of former IAF Chief Juli, Dosca and Sanjeev Tyagi who have been named in the FIR filed by CBI which is probing the case in India, top sources said.
Unnamed sources from the CBI team were quoted as saying that the businessman has refused to answer any specific queries that they had addressed to him.
CBI sources said a team led by an SP-level officer will be part of the Defence Ministry team that has been given access to examine the middleman on 9 January before the Milan court where he is facing trial for alleged corrupt activities along with top executives of AgustaWestland and Finmeccanica.
Guido Haschke is giving his statement to the court in Milan on his role in the chopper scam and a team of Indian officials present there was given an opportunity to question him, sources said.
In the wake of the arrest of middleman Guido Haschke in the AugustaWestland deal, BJP today said it is ironical that Italy is more active in pursuing the scam despite facing the prospect of losing the contract while India is showing little interest.
According to Italian news website, La Repubblica, Haschke could be brought to Italy by next week in case he prefers not to appeal against extradition proceedings before the Swiss Federal court.