Securities Appellate Tribunal asked the NSE to transfer the $90 million to an account managed by the SEBI, where it will remain untouched until the outcome of the case.
The NSE is trying to stop SGX from launching derivatives that could replace the Nifty 50 contracts that have traded in the city-state for 18 years.
NSE's request comes as domestic stock-derivatives volume has slipped, said the people, who asked not to be named because the talks are private