Rajeev Saxena was earlier granted bail by a Delhi court on medical grounds after perusing reports submitted by AIIMS.
The controversial AgustaWestland chopper deal today triggered a stormy debate and trading of charges in the Rajya Sabha with the entire opposition pressing for a Supreme Court-monitored probe while Defence Minister Manohar Parrikar spoke of an "invisible hand" in preventing an investigation in UPA tenure.
A survey by Transparency International UK says Indian companies, especially those that have been in the field for quite a few years need to do much more.
After it emerged that an army officer had allegedly promised to help AugustaWestland in the supply of Light Utility Helicopters (LUH) to the Indian Army, CBI will probe against the UK-based supplier for corruption.
AgustaWestland had asked India's defence ministry and more recently the finance ministry to pay the sums due under the contract.