The CrPC 1973 was replaced by the BNSS 2023 (in force 2024-07-01); no verified section mapping on file for Section 266 — confirm the corresponding provision (savings: Section 531, BNSS 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.