Explanation – Zero Hour is a unique parliamentary innovation in India that allows Members of Parliament (MPs) to raise issues of urgent public importance without the need for prior notice. It is an informal device, not mentioned in the parliamentary rules, and takes place immediately after the Question Hour, starting at 12 noon. MPs must give notice to the Speaker/Chairman before 10 am on the day of the sitting, but the Speaker/Chairman has the discretion to allow or decline the matter to be raised. MPs do not need to seek permission in advance (days or weeks before the session) to bring up an issue during Zero Hour, unlike in other formal procedures where prior approval is often required long before the session.

Source: The Hindu