Crime-Branch CID sources said raids were on in city but declined to divulge details, including the locations.
They indicated that searches were being held in connection with charges of fixing besides crack down on betting.
Speedster S Sreesanth and two other bowlers from Rajasthan Royals team Ajit Chandila and Ankeet Chavan were arrested by Delhi Police on charges of spot-fixing IPL matches for payments of upto Rs 60 lakhs just for giving away pre-determined number of runs in an over.
They are also likely to be booked under the stringent MCOCA, Maharashtra Control of Organised Crime Act, which could land them in jail without bail and their confessions before a DCP level officer will be admissible in court.