As part of their ongoing probe into the multi-crore granite scam, Vigilance officials on Saturday booked two IAS officials, both former District Collectors of Madurai, for their alleged role in the scam.
Vigilance and Anti-Corruption officials also conducted raids at 34 places, including in Chennai and Salem, as part of the probe, A Vigilance release in Chennai said.
Former District Collectors of Madurai M Mathivanan and C Kamaraj were booked under different sections of IPC and Prevention of Corruption Act, the release said, charging them with "wilfully suppressing facts" regarding the irregularities.
Former Madurai Collector U Sahayam in a report to the government had pegged the alleged losses incurred from illegal granite quarrying to the tune of around Rs 16,000 crore.
Granite magnate PR Palanisamy and scores of government officials have been booked in connection with the alleged scam.