<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> Prior to the promulgation of a new constitution in 2015, Nepal was divided into five development regions (Nepali: विकास क्षेत्र), 14 administrative zones (Nepali: अञ्चल) and 75 districts (Nepali: जिल्ला). The 14 administrative zones were grouped into five development regions . Each district is headed by a Chief District Officer (CDO) responsible for maintaining law and order and coordinating the work of field agencies of the various government ministries . </P> <P> The five development regions of Nepal were (from east to west): </P>

When was nepal divided into 5 development region in nepali date
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