We find that while sub section (2) of section 3 of the Act before the amendment of 1984 provided that the Central Government and the State Government may if satisfied with respect to any person that with a view to preventing him from acting in any manner prejudicial to the security of the State or from acting in any manner prejudicial to the main tenance of public order or from acting in any manner preju dicial to the maintenance of supplies and services essential to the community it is necessary so to do, make an order directing that such person be detained, section 14A as inserted by the Amendment Act of 1984 provided that notwith standing anything contained in the foregoing provisions of this Act any person in respect of whom an order of detention has been made at any time before the 3rd day of April, 1986 444 may be detained without obtaining the opinion of the Adviso ry Board for a period longer than three months but not exceeding six months, from the date of his detention where such person had been detained with a view to preventing him from acting, in any disturbed area, in any manner prejudi cial to (a) the defence of India; or (b) the security of India; or (c) the security of the State; or (d) the mainte nance of public order; or (e) the maintenance of supplies and services essential to the community.