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.