62-year-old Gupta appeared in Manhattan federal court but it was not immediately known what charges have been slapped against him by the prosecutors.
US regulator SEC has asked an appeals court to affirm a district court's decision that India-born former Goldman Sachs director Rajat Gupta pay a $13.9 million penalty and be banned for life from serving as director of a public corporation.
Sixty-five-year-old Gupta will serve his jail term at a minimum security satellite camp of the Federal Medical Center-Devens in Ayer, Massachusetts.
In a lengthy-118 page submission to Supreme Court Justice Ruth Bader Ginsburg, Gupta requested to remain free on bail, saying he is not a flight risk and if an appeals court rules in his favour, he will 'likely' be entitled to a new trial.
The Indian Institute of Technology and Harvard educated former McKinsey head is one of the most prominent Wall Street titans to be charged by fellow Indian and Harvard alumnus Bharara.
Gupta's lawyers said he did not accrue any 'direct financial benefit' from the insider trading offences and yet he has been ordered to pay a 'heavy price' of two years in prison, a $5 million fine and a separate $6 million in restitution to Goldman Sachs.
Attorney David Frankel questioned Joseph Yanagisawa, an employee in Goldman Sachs's technology unit, about phone calls between the global banking giant's head of Asia Equity Sales David Loeb and Rajaratnam.
Testifying for the government on the eighth day of 63-year-old Gupta's insider trading trial yesterday, former marketing executive at Sri Lankan native Rajaratnam's Galleon hedge fund Ayad Alhadi disclosed that Gupta had been secretly serving as a Galleon executive.
According to the email, Kumar said, "When with Mukesh on portfolio question. . . 2 things to explore: A) Raj wants to know if they will get into the solar biz aggressively and when (there are implications for supplier companies etc)."
A US judge has asked prosecutors to provide specific financial benefits they allege former Goldman Sachs director Rajat Gupta made by passing inside information to his friend Raj Rajaratnam amidst allegations that he also tipped him about Proctor and Gamble's 2008 sale of Folgers Coffee Co to JM Smucker.
The two bigger takeaways from this case for Indian regulators and enforcement agencies are the speed and efficiency with which it was concluded.
US District Judge Jed Rakoff had set as October 18 the date for sentencing Gupta after the ex-McKinsey head was found guilty by a jury here of passing confidential company information to Rajaratnam.
Berkshire Hathaway's India-born head of reinsurance business Ajit Jain, seen as a possible successor to billionaire investor Warren Buffett, will testify through a video deposition for his "close friend", former Goldman Sachs director Rajat Gupta in his insider trading trial.
On the fourth day of the trial on Thursday, the jury was shown details of phone conversations from September 2008 in which Rajaratnam brags about getting information on Goldman.
The former employer incurred the amount as legal expenses during the trial.
India-born former Goldman Sachs director Rajat Gupta has asked a US court for a new trial to reverse his conviction on insider trading charges, arguing that the district judge had committed "serious evidentiary errors" that tipped the scales decisively in the case.
Jailed hedge-fund founder Raj Rajaratnam has agreed to pay $1.45 million to settle a civil lawsuit filed by US regulator SEC against him and India-born former Goldman Sachs director Rajat Gupta for their roles in one of the largest insider-trading schemes in US history.
According to the Notice of Appeal filed by his lawyer Gary Naftalis in US District Court Southern District of New York, Gupta's "appeal concerns conviction only."
Gupta, 63, read from a prepared statement for six minutes before being sentenced.
No one knows what Rajat Gupta gained from leaking insider information to Raj Rajaratnam. The irony is that he did not make any money.
A criminal case was filed against Gupta by the United States Attorney's Office on October 26, 2011 for insider trading.
The SEC however added that "dismissing these proceedings will not prevent the Commission from filing an action against Gupta in United States District Court."
The prosecution and defense presented their closing arguments in the high-profile insider trading trial of Gupta in Manhattan federal court on Wednesday.
The defence on Monday presented in Manhattan federal court character witnesses, who testified about Gupta's honesty and integrity, before it prepares to wrap its case by Wednesday.
The move came two days after the lawyer said it was 'highly likely' that Gupta would take the witness stand in his trial.
Sixty-three-year-old Gupta's trial, which began in Manhattan federal court on May 21, will resume today after a weekend break with his protege and former McKinsey executive Anil Kumar returning to the witness stand to testify against him.
The trial of Gupta, one of the most high profile Wall Street executives to be charged with insider trading, began in US District Court, Southern District of New York on Monday amid intense media glare.
Former Indian American Goldman Sachs director Rajat Gupta is facing trial in one of the most high profile cases of insider trading in the US that will likely see investment guru Warren Buffet and Arcelor Mittal Chairman Lakshmi Mittal as potential witnesses.
The US Court of Appeals for the Second Circuit in New York said that briefs by Gupta on his appeal should be filed by January 18 next year while the government's motion should be submitted in court by March 15.
Court is expected to hear Gupta's appeal around April and it could be a year before his request to overturn his conviction is ruled upon.
A US court has agreed to hear next week a bid by India-born former Goldman Sachs Director Rajat Gupta to delay his surrender to federal prison and remain free on bail while he challenges his conviction on insider-trading charges.
The trial of former Indian-American Goldman Sachs director Rajat Gupta began in New York on Monday in what is the most high profile case of insider trading in US history.
Goldman Sachs' director Rajat Gupta tipped off Raj Rajaratnam, an accused in insider trading scam, about a deal between Buffett-led Berkshire Hathaway and the Wall Street giant, before the public announcement.
Rajat Gupta was convicted in 2012 of passing illegal tips about Goldman Sachs to Galleon Group founder Raj Rajaratnam.
Gupta began serving a two-year prison term on insider trading charges in June 2014.
The memoir tells the story of his meteoric rise and equally dramatic fall.
Gupta, 65, reported to the minimum security satellite camp at FMC Devens in Ayer, Massachusetts on June 17.
Rajat Gupta had made the request to travel to India in February.
Gupta was convicted of passing confidential information.
Gupta's two-year prison term is set to end in March 2016.