The apex court also asked the agency to look into the fresh allegations made by an NGO CPIL that Patel made Air India to buy biometric system for a hefty sum of Rs 1000 crore.
"CBI shall take into consideration all the allegations made in the pleadings of the instant petition, and take a call thereon, based on the evidence collected. We hope and expect, that CBI will adhere to the time frame indicated to us, namely, June, 2017," a bench headed by Chief Justice J S Khehar and Justices N V Ramana and D Y Chandrachud said.
"Some of the observations or remarks were made by Murli Manohar Joshi, as the Chairman of PAC, in February 2014 and a detailed response has been filed by the Ministry of Civil Aviation on January 19, 2015," he said.
Rohatgi said some further queries were also made by PAC and another detailed reply was filed by the ministry on May 3, 2016 and the subsequent report was tabled in Parliament.
"CBI is already investigating the case and is likely to conclude the probe. PAC has also looked into it and report is filed in Parliament. What more do you want. We cannot hold their (CBI) arms. We must trust our agencies," the bench told to Bhushan.
Rohatgi said that CBI has also been investigating the case since February 27, 2013, following the allegations and the probe is likely to be completed by June this year.
dispose of the petition and the matter should be listed again in June for consideration of the status of the probe.
"We find no justification to retain the matter, inasmuch as retaining the matter leads to an inference, that we do not wish to project," the bench said, adding that the aggrieved parties can take recourse to the remedies available in consonance with the law and disposed of the matter.
The NGO had earlier moved to the apex court against the government and Air India seeking a CBI/SIT probe into alleged irregularities, including purchase of aircraft, and giving up of profit-making routes allegedly to private airlines during the UPA dispensation.
The plea had alleged that various decisions taken during the tenure of Patel were meant to benefit private airlines and had caused huge loss to Air India.
The NGO had referred to several of Patel's decisions, including the "massive" purchase of 111 aircraft for national airlines costing around Rs 70,000 crore, taking a large number of planes on lease, giving up profit-making routes and timings in favour of private airlines and the merger of Air India and Indian Airlines.
"A responsible committee like PAC is looking into the matter and we are not giving any direction at this stage but expect PAC to look into the matter from all angles...," the high court had said.
In its petition before the apex court, the NGO had alleged that the actions and decisions of the then civil aviation minister "ruined our national carriers, cost the national exchequer tens of thousands of crores and the only beneficiary of the above decisions were foreign aircraft manufacturers, private and foreign airlines".
