India, Feb. 13 -- The principal of a private school, along with two female teachers and a male teacher, has been booked for allegedly assaulting a Class VIII student and his mother inside the school premises in Bhondsi last month, police said on Thursday, adding that the student sustained grievous injuries, according to his medico-legal report.

Police said the incident took place on January 28 and the mother filed a complaint at Bhondsi police station on Wednesday. An FIR was registered against the school authorities under sections 3(5) (common intention), 115(2) (voluntarily causing hurt), and 117(2) (voluntarily causing grievous hurt) of Bhatariya Nyaya Sanhita the same day, police said.

According to investigators, school officials we...