For administrative purposes, the state has been divided into 8 districts, 23 subdivisions and 58 development blocks - with effect from 21 January 2012, after a Government of Tripura Decision, out of which the newly created districts are 4, subdivisions 6, development blocks 5. The four new Districts are Khowai Unakoti, Sipahijala and Gomati; the six new sub-divisions are Jirania, Mohanpur, Kumarghat, Panisagar, Jampuijala and Karbook; the five new development blocks are Yuvarajnagar, Durga Chawmuhani, Jolaibari, Silachari and Lefunga.