This device has been in existence since 1962. It is an informal device available to the members of the Parliament. Let's examine the statements about Zero Hour: Zero Hour is an Indian innovation in the field of Parliamentary Procedure. (Correct - It is a unique feature of Indian parliamentary practice). The time gap between the question hour and the agenda of house is known as Zero Hour. (Correct - It traditionally starts immediately after Question Hour, around noon, before the planned legislative business). This device has been in existence since 1962. (Correct - The term and practice originated in the early 1960s). It is an informal device available to the members of the Parliament. (Correct - It is not mentioned in the Rules of Procedure of the Houses).