Sahar police said the alleged accused, Omprakash Rai, 40, from Buxar in Bihar, was arrested after an on-duty official noticed him in restricted area.
Upon questioning, he was not found in possession of any valid travel documents.
A case was registered under Section 447 (trespass) of the Indian Penal Code.
Further investigation was ongoing, the police official added. (UNI)
