Others named in the chargesheet include alleged European middlemen in the deal, Carlo Gerosa and Guido Haschke.
Officials said the agency has sought property details on ten serving and retired officials of the ministry of defence and the IAF.
The agency questioned him on various aspects of the case including his alleged links with middlemen, his alleged trips to Italy, reasons behind changing specifications, and relations with his cousins on Monday, the sources said.
He also questioned Prime Minister Narendra Modi's "silence" on the issue.
He was subjected to a marathon 10-hour questioning on Thursday by ED investigators.
Former Finmeccanica Chief Executive Officer Giuseppe Orsi has denied knowing the family of Air Chief Marshal S P Tyagi in the ongoing investigations in Italy into the alleged payment of kickbacks of Rs 362 crore for supplying 12 VVIP choppers to India.
The Central Bureau of Investigation has received transcripts of telephone conversations between Italian middlemen and officials of a defence firm, in which the Italy government has a 30 per cent stake, and others in connection with the VVIP helicopter scam. The transcripts of the telephone calls were handed over to the defence ministry, which has been made an "affected party" by the Italian prosecutors, official sources said on Monday.
Congress president Sonia Gandhi said she is not afraid of anything as the party has nothing to hide in the case.
British Prime Minister David Cameron arrived in Mumbai on Monday morning on a three-day India visit during which will he meet captains of industry and hold talks with top leaders, who are likely to seek more information on the VVIP helicopters scam involving an Anglo-Italian firm.
Officials said Michel's driver, Narayan Bahadur, was questioned at length by ED sleuths in the last few days.
CBI had registered a case against Tyagi along with 13 others including his cousins and European middlemen in the case.
Targeting the previous United Progressive Alliance regime over the controversial AgustaWestland deal, Defence Minister Manohar Parrikar on Wednesday said the ongoing probe will focus on those named in the Italian court judgement.
India on Friday made a fresh request to Italy for information on alleged kickbacks in supply of Rs 3600-crore worth of AgustaWestland's VVIP helicopters.
Notwithstanding the refusal of an Italian court to provide the Central Bureau of Investigation with an authenticated copy of the charge sheet on the helicopter scam, the government on Thursday said as it will explore various legal options to get the required information.
The Central Bureau of Investigation on Thursday met top officials of the Italian government-controlled Finmeccanica group, parent company of AgustaWestland helicopters, who promised assistance in probing bribery allegations against some Indian nationals.
Terming Parrikar's address to Rajya Sabha as one of the best speeches, the prime minister said that the Union Minister displayed the "best parliamentary traditions".
Defence Minister A K Antony on Wednesday said he would "seriously" pursue the inquiry into allegations of corruption in the purchase of 12 VVIP helicopters by India. "I have not seen the (news) report. I can assure you I will seriously pursue the inquiry," Antony told reporters outside Parliament House when asked about allegations of corruption in the helicopter purchase deal.
Under fire over allegations of kickbacks in the Rs 3,600 crore VVIP chopper deal, government on Wednesday asserted that nobody found guilty will be spared and if wrongdoings were found by the Central Bureau of Investigation, the contract can be scrapped.
Regretting that corrupt practices were happening despite taking precautions, Defence Minister A K Antony on Wednesday said the government will further tighten norms to prevent controversies such as the VVIP chopper deal and rely less on imports.
Lawyer ML Sharma has petitioned the Supreme Court for FIRs against the Congress leaders, who have been named in documents annexed to an Italian court in the VVIP chopper deal.
Moving forward in its probe into alleged kickbacks in the VVIP helicopter deal, the Central Bureau of Investigation has procured some documents from Italian authorities in Milan that may help it in determining whether any Indian had received bribes to swing the deal in favour of AgustaWestland.
An alleged middleman in the VVIP helicopter deal has claimed that he knew the "family" of former Air Chief S P Tyagi and had met one of his cousins at a wedding in Switzerland, according to the investigations.
A possible confrontation between government and BJP over Home Minister Sushilkumar Shinde's "Hindu terror" remark was averted on the eve of the session as he expressed regret and the main opposition welcomed it.
The defence ministry has handed over some documents received from an Italian court to the Central Bureau of Investigation to verify if there was any breach of contractual obligations by Anglo-Italian firm AgustaWestland in the Rs 3,600 crore deal for 12 helicopters, official sources said on Tuesday.
With an aggressive Opposition and unyielding government, important legislation could be the biggest casualty, as details of the helicopter contract surface.
The ministry had on Friday decided to replace Chatterjee as joint secretary and acquisition manager (Air), in-charge of handling the chopper deal, which is facing cancellation in view of bribery allegations, and the multi-billion dollar 126 combat aircraft deal of the Air Force.
The Central Bureau of Investigation has clarified to the law ministry that it wants to question two governors -- M K Narayanan and B V Wanchoo of West Bengal and Goa respectively as 'witnesses' in connection with its probe in the VVIP helicopter deal.
Though Antony did not name the IAF chief in his reply, former Air Chief Marshal S P Tyagi's role in the deal is being inquired by the CBI. Tyagi's bank account was recently frozen by the investigative agency and he was also questioned by them.
The Central Bureau of Investigation on Monday questioned former Indian air force Chief S P Tyagi and two others in connection with alleged irregularities in the AgustaWestland helicopter deal.
One cannot expect a thorough-going investigation by the CBI as long as it acts under the supervision of the government, points out B Raman
'Narendra Modi knows that the Congress without the Gandhis is a more formidable and more dangerous adversary.'
Taking a jibe at Gandhi over her remarks on Wednesday that she does not fear anybody, Shah said she is "right" and that is why such "scams" keep coming out in the open.
"I am always being targeted, happy to be targeted," he told reporters while entering Parliament House.
After the agency's submission, all the three accused moved their bail applications, which will be heard on December 21 as the CBI sought time to reply to the applications.
A Delhi court on Thursday granted bail to former defence secretary Shashi Kant Sharma in a case related to the AgustaWestland chopper scam.
Parrikar had recently challenged the Congress to show the order by the UPA government confirming the blacklisting.
The bench said what is worrying the court is the complexity of trial as there are over 250 witnesses in the case and the co-accused government officials have been granted bail for want of sanction for prosecution.
The court asked them to furnish a bail bond of Rs 1 lakh with one surety of the like amount.
Bharti accused the media of distorting her statement, attributing it to the BJP's agenda.
In an off-shoot of VVIP helicopter deal scam, the Central Bureau of Investigation has registered a case against a Brigadier attached to Army Aviation for allegedly fudging trial flight records of the copters.