Several notable public figures have been residents of Mangarhi, including Amichand Singh, a political advocate and associate of Charan Singh, Vijendra Singh (M.P. Loksabha), Mulayam Singh Yadav and Tejvir Singh Guddu (former Zila Panchayat Chairman).
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Amichand Singh's son, Sunil Singh, was nominated by the Anup Pandey (Chairman, Student Lok Dal) for the position of State Secretary of Uttar Pradeh's student union (for the term 2001-2006).