New Delhi, Jan. 10 -- India's market regulator is poised to clear a key hurdle for the initial public offering (IPO) of the National Stock Exchange (NSE), potentially bringing an end to years of regulatory and legal uncertainty surrounding the listing of the country's largest stock exchange.

"Sebi's no-objection certificate will be issued soon, possibly before the end of this month. It is then up to NSE to take the process forward," Securities and Exchange Board of India (Sebi) chairman Tuhin Kanta Pandey said at a press conference in Chennai on Saturday.

NSE's IPO hit a roadblock due to the dark fibre case, which involved allegations that certain high-frequency traders received preferential access to the exchange's co-location servers ...