A Naxal attack in Chhattisgarh on November 8 killed at least five people, including a Central Industrial Security Force (CISF) personnel. Two other were injured in the attack.
It was the fourth such attack in the past two weeks, in the region.
The attack came a day before Prime Minister Narendra Modi's visit to the state's Jagdalpur district. PM Modi is scheduled to address an election rally there.
The first phase of the Chhattisgarh Assembly polls is scheduled for November 12. In this phase, 18 assembly constituencies will head for polls in largely Left Wing Extremism (LWE)-affected areas.
Another attack on October 30 in Dantewada, had killed two police personnel and a Doordarshan cameraman.
On October 27, four Central Reserve Police Force (CRPF) personnel were killed when the anti-landmine vehicle they were traveling in was blown up by Naxals in Bijapur district. Two days after that, a Bharatiya Janata Party (BJP) leader was attacked, also in Dantewada.
An attack earlier in May had killed seven security personnel.
The attacks, usually an ambush or as in the case of the latest attack, triggered by an improvised explosive device (IED) come after rebels in the state's Left Wing Extremism (LWE)-affected districts reportedly warned people not to vote during the first phase the elections.
The attack reflects a trend in which Maoist violence, before the state heads for elections, has become common.
"As soon as elections approach they do something to affect it. Their goal is to spread terror," Chhattisgarh chief minister Raman Singh had said after the October 30 attack.
In 2013, a Maoist ambush, months before the state was scheduled to head for polls in Darbha valley, had killed state Congress unit’s top leadership, including former minister Mahendra Karma. The attack, which claimed 25 lives, was termed as one of the worst in years.
The same year, journalists Sai Reddy and Nemichand Jain were killed by Maoists, eight months apart.
Almost a year after the ambush, two separate attacks on the same day had led to the death of 13 people, including security personnel and polling officials.
The first attack, which killed five CRPF personnel, took place close to the place where the rebels had killed the senior Congress leaders.
The second attack, on a bus carrying officials on election duty took place in Bijapur, happened an hour later.
Around a month before the twin attacks, as many as 15 security personnel were killed in a Maoist attack in the state's Sukma district.Assembly Elections 2018: Read the latest news, views and analysis here