The Directorate of Enforcement on Tuesday launched an investigation into suspected money laundering in the sand mining business of the Tamil Nadu government.
Backed up by the Central Armed Police Force (CAPF), several teams of ED officials landed at sand quarrying sites and sales depots managed by the Water Resources Department across the State early in the morning.
Simultaneous searches were conducted at the offices/residences of sand contractors, including S. Ramachandran in Pudukottai and K. Rathinam in Dindigul, a few officials, and others associated with them. A team visited the office of the Engineer-in-Chief, Water Resources Organisation, at Chepauk in Chennai, sources said.