The PhD Program is aimed to prepare highly qualified researchers holding a candidate of science degree (equivalent of PhD). Training is provided through 142 specialities of different branches of science. Duration of studies is 3-4 academic years. Classes last from 1 November until 31 October. International students have the opportunity to study according to the individual curriculum without a fixed dates enrollment. Upon successful completion graduates receive a Certificate on Graduation and in case if dissertation was presented and defended the student confers the Candidate if Science degree. The BSU has 22 Scientific Councils which conduct evaluations of theses presented for defence.