Based on the credible information collected by Lokayukta police officers, source reports were generated against thirteen government servants, for alleged possession of assets disproportionate to their known sources of income, Lokayukta Police said.
It said criminal cases under Prevention of Corruption Act were registered against the government servants.
Raids were conducted in Bangalore city, Bangalore Rural, Bellary, Chamarajanagar, Chitradurga, Dharwad, Hospet, Mandya, Mysore, Ramanagara, Shimoga and Tumkur, it said in a release.
It also said that the bank accounts and lockers of the employees were being scrutinised, and further investigation was in progress.