The sleuths of elite Special Cell of Delhi Police arrested Singh from Ahmedabad after zeroing on him in the wake of arrest of three cricketers -- S Sreesanth, Ajit Chandalia and Ankit Chavan along with several of bookies and fixers.
The police claimed that it had transcripts which shows Singh being in constant touch with Chandresh Patel alias Chand and was fixing deals ahead of every cricket match.
According to police, Singh was sponsoring travel and other activities of both the bookies as they provided him with an access to all the three cricketers.
Singh, originally a resident of Ahmedabad, had been on the run for the last 40 days and sleuths had been tracking him since then.
Police claimed that his arrest may give fresh leads into the murkier scandal that rocked the sporting extravaganza.
Both Chand and Manan are out on bail and Police may now ask them to appear before it for a fresh round of questioning, the sources said.