Section 3(3) in The Conservation of Foreign Exchange and Prevention of Smuggling Activities Act, 1974
(3)For the purposes of clause (5) of article 22 of the Constitution, the communication to a person detained in pursuance of a detention order of the grounds on which the order has been made shall be made as soon as may be after the detention, but ordinarily not later than five days, and in exceptional circumstances and for reasons to be recorded in writing, not later than fifteen days, from the date of detention.