An election held to fill a vacant post in the legislature due to the death or resignation of a member is called

An election held to fill a vacant post in the legislature due to the death or resignation of a member is called a bye-election. A bye-election, also known as a special election, is a type of election held to fill a vacant seat in a legislative body before the end of the term. This can happen due to the death, resignation, or expulsion of a sitting member of the legislature. Bye-elections are usually held in a specific constituency or district to fill the vacancy for that particular seat. Unlike a general election, where all seats in the legislature are contested, bye-elections are held only for the vacant seat. In summary, a bye-election is an election held to fill a vacant seat in the legislature due to the death or resignation of a member, and it is held only for the vacant seat in a specific constituency or district.