Prevention of Black Marketing and Maintenance of Supplies of Essential Commodities Act, 1980
5. Power to regulate place and conditions of detention
Every person in respect of whom a detention order has been made shall be liable-
(a) to be detained in such place and under such conditions, including conditions as to maintenance, discipline and punishment for breaches of discipline, as the appropriate government may, by general or special order, specify; and
(b) to be removed from one place of detention to another place of detention, whether within the same State or in another State, by order of the appropriate government:
PROVIDED that no order shall be made by a State Government under clause (b) for the removal of a person from one State to another State except with the consent of the government of that other State.