The Tajikistani Civil War ( ) , also known as the Tajik Civil War or the War in Tajikistan , began Process_start in May 1992 when regional groups from the Garm and Gorno-Badakhshan regions of Tajikistan rose up against the newly-formed government of President Rahmon Nabiyev , which was dominated Control by people from the Khujand and Kulyab regions .