Lou Vincent told a London courtroom that Dinesh Mongia was one of the key members of a "Gang of four", that also included former New Zealand captain Chris Cairns and pacer Daryl Tuffey.
Cairns is reportedly one of three former New Zealand representatives under investigation by the International Cricket Council (ICC) for alleged match-fixing.
New Zealand Cricket issued a release on Friday that Daryl Tuffey, the 34-year old fast bowler, has announced his retirement from all forms of the game.
The Auckland Aces skipper Gareth Hopkins is confident that senior pacers Daryl Tuffey and Chris Martin will recover in time before the start of their Champions League T20 campaign that starts next week.
The Pakistan Cricket Board has taken is furious with a New Zealand beverage company's ad campaign in which Kiwi player Daryl Tuffey claims that Pakistani players are "match-fixers".
Hamish Bennett, the New Zealand fast bowler, has been ruled out of the World Cup due to an injury to his ankle and Achilles tendon. Seamer Daryl Tuffey, who had been called up as a standby for an injured Kyle Mills, will take Bennett's place in the XV.
New Zealand's bad luck with injuries continued when Hamish Bennett limped off in Friday's Group A match against Sri Lanka.
New Zealand called up seamer Daryl Tuffey into their World Cup squad on Wednesday as cover for the injured Kyle Mills.
Rookie batsman Kane Williamson and pacer Hamish Bennett were the new faces in New Zealand's 15-member Test squad announced on Sunday