Naxals are reportedly extorting a "levy" of about Rs 140 crore annually from a variety of sources, the government today said.

The extremists have killed 5,024 civilians in the last 10 years, a majority of them tribals.

The Left Wing Extremists groups are reported to extort 'levy' from industrialists, businessmen, contractors particularly Tendu patta contractors, transporters, government servants and various illegal mining mafia groups in the LWE affected states.