Chokshi and Chokshi, which was given December-end deadline to complete the audit of e-series contracts at NSEL, had sought extension to finish the work.
"Based on your request, it is decided by the Commission to grant extension of time up to January 17, 2014 to complete the work of forensic audit of e-series contracts at NSEL," Forward Markets Commission (FMC) said in a letter to the audit firm.
Forensic audit is an examination and evaluation of a firm's or individual's financial information for use as evidence in court.
NSEL, which is facing the problem of settling Rs 5,600 crore dues to 13,000 investors, was offering spot as well as e-series contracts which were subsequently banned by the government following violation of certain norms by the bourse.
Mumbai Police's Economic Offences Wing (EOW) has so far arrested five persons, including Anjani Sinha, former MD & CEO of NSEL, in connection with the case. Police has also seized/attached properties belonging to defaulting companies and former executives of the exchange.