Following is the timeline of Maoist attacks that took place in various states in the month of April:
April 2: Maoists bomb BJP leader's house, school in Jharkhand
Maoist guerrillas blew up a Bharatiya Janata Party (BJP) leader's house, a school building and a healthcare centre in Jharkhand's Chatra district, the police said on Thursday.
April 3: Maoists kill kin of Congress leader in Chhattisgarh
Three motorcycle-borne Maoists Friday shot dead the relative of a Congress leader who launched the Salwa Judum movement in Chhattisgarh's restive Bastar region, police said.
April 4: Maoists target security forces' vehicle in Jharkhand
Maoist rebels in Jharkhand Saturday attacked a vehicle being used to ferry luggage of security forces going to the state for the Lok Sabha poll, police said. No security personnel were in the vehicle at that time.
April 5: Maoists loot Rs.9.9 mn in Orissa
Armed Maoists looted Rs.9.9 million in cash from the security van of a bank in Orissa's Malkangiri district Saturday, police said.
April 6: Maoists kill four guards of power plant firm in Jharkhand
Maoist rebels have killed four security guards of a proposed power plant of the Abhijeet group in Jharkhand's Latehar district, police said on Monday.
April 7: Maoists blow up police vehicle in Chhattisgarh, one killed
A constable was killed and five policemen were injured Tuesday when Maoist guerrillas attacked the superintendent of police's convoy and blew up one of the vehicles in Chhattisgarh's Bijapur district.
April 9: Maoist commander killed, four troopers injured in Jharkhand
A Maoist commander was killed in a gun battle with a rival group while a civilian was killed and four security personnel were injured in a bomb blast in Jharkhand, police said Thursday.
April 9: Maoists kill poll candidate in Orissa
Stepping up attacks ahead of the polls, Maoist rebels Thursday killed an election candidate of a regional party in Orissa, the police said.
April 10: Maoists blow up 11th government building in Jharkhand
Maoist rebels in Jharkhand continued their terror track ahead of the Lok Sabha polls, blasting the 11th government building in the state Friday in 10 days, the police said.
April 11: Maoists kill five CRPF troopers in Jharkhand
Five Central Reserve Police Force (CRPF) troopers were killed and three injured Saturday in an eight-hour-long gunbattle with Maoist rebels in Jharkhand's Khuti district, around 20 km from where Congress president Sonia Gandhi addressed an election rally.
April 12: CRPF trooper, three Maoists killed in Chhattisgarh
In two separate incidents a para-military trooper of the Central Reserve Police Force (CRPF) was killed in a landmine blast while three Maoist guerrillas were gunned down in an encounter with police Sunday in Chhattisgarh's restive Bastar region, officials said.
April 12: Maoists attack CISF camp in Orissa
Maoist rebels Sunday night mounted an attack on a Central Industrial Security Force (CISF) camp near a Nalco-run mine in Orissa's Koraput district, police said.
April 13: 11 killed in Maoist attack at Orissa aluminium mine (Lead)
At least seven security personnel and four Maoist rebels were killed in a gun battle at a mine owned by the National Aluminium Company Ltd (NALCO) in Orissa's Koraput district, police said Monday.
April 15: Maoist attack on BSF camp in Bihar
Suspected Maoists attacked a Border Security Force (BSF) camp in Bihar's Rohtas district early Wednesday, a day ahead of the first phase of Lok Sabha polls. No casualty was reported in the incident, police said.
April 16: Maoists open fire at six polling stations in Chhattisgarh
Armed Maoist rebels created panic at six polling stations in Chhattisgarh's southern restive Bastar region by opening fire soon after voting for the parliamentary elections began Thursday morning, police said.
April 16: Maoists attack poll booth, burn voting machines in Orissa
Maoist rebels attacked a polling booth and set fire to voting machines and a vehicle in Orissa's Malkangiri district while voting for the first phase of general and assembly elections was underway Thursday, police said.
April 16: Two securitymen killed as Maoists attack Bihar polling station
Two security personnel - a policeman and a home guard - were killed as Maoists attacked a polling station in Bihar's Gaya district Thursday as voting was underway in the first phase of general elections, police said. Voting has been suspended at the station.
April 20: Maoists blow up school building in Jharkhand
Maoists blasted a school building in Giridih district of Jharkhand as it was used as a makeshift camp by security forces, the police said Monday. No one was injured in the incident.
April 22: Maoists blow up railway station, school in Jharkhand
Maoist guerrillas blew up a railway station and a school in two separate incidents in Jharkhand, police said on Wednesday.