Losol was born into a herdsman's family on April 15, 1890 in present day Batnorov district, Khentii Province.
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Choibalsan recruited Dashiin Damba (MPRP General Secretary from 1954 to 1958), to deceive Losol into boarding a plane he believed was bound for Dornod Province in eastern Mongolia.
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In 1934 he co-authored the two-volume work Mongol Ardyn Undessnii Khuv'sgalyn Ankh Üüsch Baiguulsan Tovch Tüükh (Short History of the Original Birth and Establishment of the Mongolian People's National Revolution) with his close friend Khorloogiin Choibalsan and G. Demid.