Katihar, March 16: The principal of Belrahi Utkramit Middle School, Bajrangi Thakur, was arrested this morning for allegedly forging documents.

In his defence, Thakur said he was innocent and he was being implicated in the case. He added that he was not running any business from his residence.

A case of forgery and practising illegal occupation was registered against Thakur under Dandkhora police station. He was booked under sections 406, 419, 420, 384 of the Indian Penal Code, police sources said.