Gaurav, a student of Government Elementary School Duffera, was allegedly beaten by the teacher yesterday.
"We admitted Gaurav to Civil hospital Bassi Pathana but doctors referred him to Civil Hospital Fatehgarh Sahib," said Jit Singh, father of the student.
Singh demanded stern action against the school teacher.
District Education Officer (Elementary) Navtejinder Kumar said a thorough inquiry would be conducted and if the school teacher was found guilty, disciplinary action will be taken against him.
The teacher had allegedly beaten Gaurav as he could not find keys of a room.
Doctor Rajnish Kumar, who attended on the child, said he had intimated local police about the case.
The school teacher was not available for comments.