The incident came to light after a photograph showing the girl's father, Ramesh, begging went viral on social media. Following which authorities swung into action.
The 14-year-old girl, a resident of Suatali in Mitauli area, was admitted to Mitauli health centre yesterday with high fever, hospital officials said.
Due to her serious condition she was referred to the Lakhimpur Kheri district hospital, where she was declared brought dead, they added.
Deeply perturbed, Ramesh put the body on a footpath outside the hospital and started begging from pedestrians.
Chief Development Officer Amit Singh Bansal said he has sought all documents related to the girl's admission and treatment."
Virtually giving a clean chit to hospital authorities, he said, "If the girl's father had intimated hospital staff for the ambulance, the same could have been arranged.