Nankun Devi died on the spot, whereas her daughter Roshni (13) and son Ajeet (11) suffered serious burn injuries when their Mujehna village residence caught fire from a lamp last night, Superintendent of Police Navneet Kumar Rana said.
The girl died on way to the hospital, he said adding, Ajeet, who continues to remain in a serious condition, has been referred to Lucknow for treatment.