Mangalsen Nepali: मंगलसेन is a municipality and the capital of Achham District in Sudurpashchim Province, Nepal. It was established on 18 May 2014 by merger of the former Village development committees of Janalibandali, Kuntibandali, Oligaun, Jupu, Kalagaun into its current form.
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Nepal officially the Federal Democratic Republic of Nepal is a landlocked country in South Asia located mainly in the Himalayas but also includes parts of the Indo-Gangetic Plain. With an estimated population of 26.4 million, it is 48th largest country by population and 93rd largest country by area. It borders China in the north and India in the south, east, and west while Bangladesh is located within only 27 km (17 mi) of its southeastern tip and Bhutan is separated from it by the Indian state of Sikkim.

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