In Tamilnadu, Vigilance officials today conducted raids in the premises of former DMK minister N K K P Raja across the state in connection with a disproportionate assets case. The raids by officials of the Directorate of Vigilance and Anti Corruption were in progress in Chennai and Erode districts.Raja is the latest among several DMK leaders and former Ministers besides MLAS to face police and DVAC action either on land grab charges or allegations of disproportionate assets after the AIADMK government came to power in April last year.