Police said a case under the Prevention of Corruption Act was registered against him yesterday as a prima facie case of cognisable offence was made out.
Searches are being conducted at Vellore, Kanchipuram and Chennai district by the Directorate of Vigilance and Anti Corruption (DVAC), police said.
Several former DMK ministers and senior party functionaries have been facing the heat from the Jayalalithaa government on charges of either land grabbing or amassing wealth disproportionate to their known sources of income.
Former DMK Ministers Veerapandi S Arumugam, K Ponmudy,K N Nehru, M R K Panneerselvam, T M Anbarasan, K P P Samy, former MLA B Ranganathan, sitting MLA J Anbazhagan and those close to Union Minister M K Azhagiri in Madurai are among those who have faced action.