Born in Bokhtar District in 1946, Dostiev served in the Soviet Army from 1966 until 1968 before pursuing a career in agriculture.

[1] Dostiev worked on a kolkhoz (communal farm) and went on to study entomology at the Agricultural University of Tajikistan, graduating in 1974.

[1] In 1992, as the Soviet Union collapsed, Dostiev joined the Sitodi Melli armed militia of the Popular Front, becoming secretary of the regional executive committee, and in November of that year was appointed to the Tajik Supreme Soviet as first deputy.

[1] In 2000, he was elected to the assembly's lower chamber, where he served as deputy parliamentary chair.

[1] In December 2006, he was appointed as the Ambassador Extraordinary and Plenipotentiary of the Republic of Tajikistan to the Russian Federation and concurrently to Ukraine.