Special Judge Arvind Kumar said that prima facie there was enough evidence on record against the accused -- M/s UHY Saxena and M/s Matrix Holdings and their director Shivani Saxena, who is currently in judicial custody.
The court summoned the accused on October 3.
In the supplementary charge sheet, the ED has told the court that Saxena was an "active" director of the Dubai-based firms.
Saxena was arrested by the ED on July 17 from Chennai in Tamil Nadu.
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The final report also mentions the name of her husband Rajiv Saxena, who too is a directors in these two firms and has been evading ED summons to join the probe.
However, he has not been arrayed as an accused so far and the agency said another supplementary charge sheet may follow.
Saxena and her husband are residents of Palm Jumeirah in Dubai, an archipelago which is home to the most expensive properties in the United Arab Emirates (UAE), the report said.
The agency claimed that its probe found that AgustaWestland, United Kingdom, had "paid an amount of Euro 58 million as kickbacks" through two Tunisia-based firms.
"These companies further siphoned off the said money in the name of consultancy contracts to M/s Interstellar Technologies Limited, Mauritius and others which were further transferred to M/s UHY Saxena and M/s Matrix Holdings Ltd, Dubai and others," the charge sheet has said.
The ED had registered a PMLA case in 2014 and named 21 people, including Tyagi, in its money laundering FIR.
On January 1, 2014, India had scrapped the contract with Finmeccanica's British subsidiary AgustaWestland for supplying 12 AW-101 VVIP choppers to the IAF over alleged breach of contractual obligations and charges of kickbacks to the tune of Rs 423 crore paid by the firm for securing the deal.