东戈壁省
Sodnom was born in the Örgön District of Dornogovi Province on 14 July 1933. He first attended school in the Bayanmönkh district of Khentii Province and then went on to study at the Finance and Economic Technical College in Ulaanbaatar from 1946-1950. He worked as an accountant at the Ministry of Finance for four years and joined the MPRP in 1954 before studying economics at the Higher School of Finance and Economics in Irkutsk from 1954 to 1958.