Police said the Naxalites were attempting to blast a bus depot in Karimnagar district.
A cache of explosives and weapons was also seized from the encounter site, he added.
Savouring a new sense of freedom following lifting of the ban in July last, the PWG has been organising a series of public meetings across Andhra Pradesh, starting with Warangal in the Telangana region, to press their agenda.
The Naxalites then targetted the motorcade of the district magistrate and the DSP.
Cops said during interrogation, they admitted to their involvement in the attack.
Bahujan Samaj Party supremo Mayawati on Sunday alleged that the "failure" of Congress to alleviate poverty and unemployment among the SCs, STs and OBCs has driven many to Naxalism.
A hardcore Naxalite was on Wednesday arrested in connection with the killing of Superintendent of Police Surender Babu in Bihar's Munger district six years back, police said.
Among the three slain personnel, two belonged to the CoBRA's 201st battalion and one to the CRPF's 150th battalion, a senior police officer said.
Four jawans of the Central Industrial Force were killed and two others injured when their jeep was blown up in a landmine blast triggered by the Naxalites in Chhattisgarh's Dantewada district, the police said.
The Maoist blast took place around 3 pm near Timmapuram village between Silger and Tekalgudem camps of security forces, over 400 km from the state capital Raipur.
A few weeks ago, they had seized a train in neighbouring Jharkhand but caused no harm to the passengers.\n
13 people were killed and six injured when naxalites triggered a landmine blast in Ghoda village, under Pakhanjur police station area in Kanker district, early Saturday morning.
Women, children and other family members of the deceased were seen crying while women security personnel were trying to console them.
Dinesh Tati (23), resident of Palnar village in Gangaloor police station limits, was held on Friday from a tractor showroom in Bijapur town, Additional Superintendent of Police Chandrakant Gavarna said.
The incident comes amid accusations by the opposition BJP of "targeted killings" of its workers in the run up to the polls.
GST would make compliance easier for big businesses, but hurt small scale industries., says SJM
The arrest of Maoist leaders in Jharkhand has given an insight into their method of recruitment which could range from assistance with money and medicines to coercion at gunpoint.The Jharkhand police also have a proposal to recruit cooks who would accompany them on operations making it unnecessary for forces to return to the base camp before fulfilling their mission.
This is the second big arrest in Maharashtra in recent months.
Deva recently replaced Hidma as commander of the Maoists' battalion no. 1, the IG added.
Voting for 10 constituencies was held from 7 am to 3 pm in 10 seats and from 8 am to 5 pm in the rest 10 segments under a thick security blanket of police and paramilitary personnel in the Naxalite-hit Bastar division.
Fifty people were feared killed as Naxalites triggered a powerful blast, targeting two trucks, in which about 100 villagers were returning after attending an anti-Naxal meeting at Darbaguda.
Five Eastern Frontier Rifles were among those killed in the landmine blast in Belpahari forest.
Six long distance trains bound for Howrah and Sealdah were delayed due to the bandh called by the Maoist Communist Centre and People's War in Bihar and Jharkhand.
The Naxalites carrying sophisticated weapons, including AK-47 rifles, targeted the two unarmed cops when they had just reported for duty at the mobile check-post on the inter-state border, an area that has witnessed a Maoist attack after a long time, they said.