Section 8(f) in The Conservation of Foreign Exchange and Prevention of Smuggling Activities Act, 1974
(f)in every case where the Advisory Board has reported that there is in its opinion sufficient cause for the detention of a person, the appropriate Government may confirm the detention order and continue the detention of the person concerned for such period as it thinks fit and in every case where the Advisory Board has reported that there is in its opinion no sufficient cause for the detention of the person concerned, the appropriate Government shall revoke the detention order and cause the person to be released forthwith.