"We are working with partners and regulators to meet all of the concerns that people have, and we look forward to that cable being a valuable, productive transpacific cable going forward in the near future," he said.
Wu authored "The Curse of Bigness: Antitrust in the New Gilded Age" in 2018, in which he warned about the inequalities created by extreme economic concentraion.
"Putting this twitter feed on hold for now -- so long!" Wu, said in a post on Friday.
Digital payments in India could rise to $135.2 billion in 2023, according to an Assocham-PWC India study in 2019.
Facebook and Google are already partnered with Reliance and own stakes in Jio Platforms - the unit which houses Reliance's music, movie apps and telecoms venture.
Set up in 2008, NPCI is a not-for-profit company, which as of March 2019 counted dozens of banks as its shareholders, including the State Bank of India, Citibank and HSBC.
A spokesperson for Infibeam declined comment on the report, saying the company was bound by the confidentiality of process, while Reliance, Google and Facebook did not immediately respond to a request for comment.