The minor, a resident of Uperbandha, had gone out to puja pandal along with her younger sister when she was lured by the accused duo last night who offered her 'Pakodi' (local delicacy), Deputy Superintendent of Police (Musaboni), Ajit Vimal today.
The child was taken to a deserted place and allegedly gangraped in turn, the DSP said adding after committing the crime, the accused strangulated her to death.
The duo were identified as Chotka Gope (25), a resident of Pilaboni situated across Uperbandha, and Dhano Tudu (24), a resident of Uperbandha.
The villagers thrashed them before handing over to police, the DSP said adding that the injured have been referred to M G M Hospital here.