Rajesh alias Uday, was arrested along with two of his associates from an apartment, while another guerrilla was arrested from Garwah district in Jharkhand.
"Rajesh alias Uday, who is a top Maoist leader operating in both Jharkhand and Chhattisgarh, has been arrested. He carried a reward of Rs 5 lakh on his head," a senior police officer said.
"A woman and a man who were along with him at the time of his arrest were being interrogated to ascertain whether they also belonged to the Maoist," he added.
The sources said Rajesh Udayji was being questioned at an undisclosed place.
Police arrested Lalan Singh Kharwar, an area commander of CPI-Maoist, from Betha village of Garwah district on Wednesday, Aug 4.