Bharatiya Nagarik Suraksha Sanhita, 2023

In this Chapter,—

(a) "detained" includes detained under any law providing for preventive detention;

(b) "prison" includes,—

• (i) any place which has been declared by the State Government, by general or special order, to be a subsidiary jail;
• (ii) any reformatory, Borstal institution or other institution of a like nature.