Section 18. Maximum period of detention.

1[18. Maximum period of detention. ––(1) The maximum period for which any person may be detained in pursuance of any detention order which has been confirmed under section 17, shall be–– (a) 2[three months in the first instance which may be extended up to twelve months] from the date of detention in the case of persons acting in any manner prejudicial to the maintenance of public order 3[x x x] ; 4[(a-1) twelve months from the date of detention in the case of the persons indulging in smuggling of timber ; and] (b) 5[six months in the first instance which may be extended up to two years] from the date of detention in the case of persons acting in any manner prejudicial to the security of the 6[Union territory of Jammu and Kashmir]. (2) Nothing contained in this section shall affect the powers of the Government to revoke or modify the detention order at any earlier time, or to extend the period of detention of a foreigner in case his expulsion from the 6[Union territory of Jammu and Kashmir] has not been made possible.]