In its reply, the CBI said it wanted to record statements of Narayanan, who was the then National Security Advisor, and Wanchoo, who was the then head of elite Special Protection Group (SPG) guarding the Prime Minister.
The sources said the agency has made it clear that the two constitutional functionaries would be approached as witnesses for recording their statements in the case.
The CBI had sought permission to record their statement as part of its probe into alleged payment of Rs 360-crore bribe in the deal that was scrapped by the government last year.
While reasoning for recording of their statements, the CBI has said Wanchoo and Narayanan had participated in the meeting in 2005 that allowed key changes in the technical specifications.
The CBI claims that the parameters regarding the height at which the helicopters can fly as also the flight evaluation were changed in a manner that enabled Agusta Westland to clinch the deal vis a vis its competitor Sikorsky.
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