"Maoists can target and attack other leaders during campaign in Gaya, Aurangabad, Jehanabad, Arwal, Nawada, Rohtas districts, known as hot bed of Maoists activities," a police official said.
Four superintendents of police at Munger, Banka, Jamui and Lakhisarai are also on the hit list of Maoists.
"In view of intelligence alert for them, police headquarters has instructed four SPs to take precautionary measures for their safety till polls get over in their districts," a police official said.
Security of Jamui SP Jitendra Rana, Banka SP Pushkar Anand, Lakhisarai SP Ashok Kumar and Munger SP Varun Kumar Sinha has been tightened.
