Konstantinov was transferred to the 7th Turkestan Cavalry Brigade of the Central Asian Military District in Kulyab in November 1930, becoming chief of the regimental school of the 80th Turkestan Cavalry Regiment of the brigade. With this unit, he fought in against the Basmachi of Ibrahim Bek between April and May 1931. Again transferred to the 79th Cavalry Regiment of the brigade to serve as its chief of staff in February 1932, Konstantinov became acting regimental commander in April. The regiment, based at Kattakurgan, was transferred to the Separate Consolidated Uzbek Brigade in May, which was reorganized into the 6th Uzbek Mountain Cavalry Division in October.