22-year-old Sabita Mallick alias Peti, known as Sukanti in the rebel camp, had joined the Maoist outfit in 2009, said SP (Ganjam) Rajesh Pandit.
Sabita, who was engaged in preparation of food for the cadre, surrendered at Chhatrapur yesterday, police said, adding she was also accused in the murder of a CRPF havildar at Kerubadi and the encounter with security personnel there.
Known for making tiffin bombs for the outfit, Sabita decided to quit Maoist activities alleging harassment and exploitation by male Naxals, particularly those from outside Odisha, police said.
Meanwhile, security personnel recovered a landmine weighing around 20 kg and huge quantity of ammonium nitrate, used for preparation of landmine, from Ganajm-Kandhamal border area during a combing operation yesterday, the SP said.