The definition of commencement means the act or celebration of beginning. An example of commencement is the start of a race. 1  the act or time of commencing; beginning; start.  the ceremonies at which degrees or diplomas are conferred at a school or college.
It is a paramilitary force under the Ministry of Home Affairs. BGB is primarily responsible for the border security of the country, in Bangladesh the force is known as The Vigilant Sentinels of the National Frontier.
Carl Haub, a demographer, is Director of Information and Education at the Population Resource Bureau, Inc., of Washington, D.C. The PRB is a private, non-profit educational organization, founded in 1929, that gathers, interprets, and disseminates information on the facts and implications of national and world population trends.