The agency sources said the Kanpur-based trust in which Shivkanya was a director was allegedly used for routing the money. They said in her statement Shivkanya has denied allegations of any wrongdoing by her or her trust.
CBI scrutiny of the trusts' accounts has shown a number of "unexplained" transactions, which, the agency has found, were alleged bribes routed through various companies, they claimed.
The money was allegedly planned for setting up of an engineering college under the trust, the sources claimed. They claimed Kushwaha, who is in judicial custody, had set up two educational trusts in Kanpur and purchased two private companies to route the alleged illegal gratification.
The sources said that the alleged bribe received by Kushwaha was first invested in companies across Kanpur, Delhi and Kolkata, which issued cheques to the two trusts as donation.
Some of the money was also allegedly invested in Kushwaha's companies which was again given as donation to the educational trust, they alleged.
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