Patnaik said this while replying to a written question of BJP's Dilip Ray in the Assembly.
"Maoist activities of different magnitude are witnessed in certain pockets of 19 districts of Odisha," Patnaik said.
While giving details on killings by the Left Wing ultras, the Chief Minister said 210 security personnel were killed and 218 others were injured in Maoist violence.
Similarly, 225 civilians were killed and 119 others had sustained injuries in Maoist attacks, he said.
The Maoists during the period have looted 1,907 guns and about 1,72,656 bullets during different incidents, Patnaik said adding the personnel of both the state and the central government have been engaged in anti-Maoist operations in the state.