(1)Whenever the Commissioner is satisfied from information received or otherwise -(a)that the movements or acts of any person in the City of [Chennai] [***] [Certain words were omitted by Madras City Police and Tamil Nadu District Police (Amendment) Act, 1985 (Tamil Nadu Act 38 of 1985).] are causing or are calculated to cause, alarm, danger or harm to person or property, or that there are reasonable grounds for believing that such person is engaged or is about to be engaged in the commission of any offence involving force or violence or punishable under Chapters XII, XVI or XVII of the Indian Penal Code (Central Act XLV of 1860) or in the abetement of any such offence; and(b)that witnesses are not willing to come forward to give evidence in public against such person by reason of apprehension on their part regarding the safety of their person or property, the Commissioner may, by an order in writing signed by him, direct such person so to conduct himself as shall seem necessary to the Commissioner to prevent such alarm, danger or harm or the commission of such offence, or require such person to move himself outside the said city within such time as may be specified in the order.[***] [The Explanation was omitted by Tamil Nadu Hindu Religious and Charitable Endowments (Amendment) Act, 1995 (Tamil Nadu Act 38 of 1995).][(1-A) Whenever the Commissioner has reason to believe that any person in the City of [Chennai] [Sub-sections (1-A) and (1-B) were inserted by Madras City Police and Tamil Nadu District Police (Amendment) Act, 1985 (Tamil Nadu Act 38 of 1985).] who have been convicted of an offence under section 135 of the Customs Act, 1962 (Central Act 52 of 1962) is likely again to engage himself in the commission of the offence for which he was convicted, the Commissioner may, by an order in writing signed by him, require such person to remove himself outside the said city and any district or districts or any part thereof contiguous thereto, by such route and within such time as may be specified in the order.(1-B) The order under sub-section (1) or sub-section (1-A) shall specify the period not exceeding two years during which such order shall remain in force.]