1. In the Parliamentary System, the Executive is dependent upon the confidence of the Legislature in them.
2. If the Legislature feels that the Executive does not work in accordance to its wishes, it can pass a no-confidence motion against the Executive.
3. If the Legislature passes the no-confidence motion with a majority, then the Executive has to resign.
4. The Constitution has provided this tool to prevent the Executive from misusing its powers. Hence, no-confidence motion is an effective tool of keeping a check over the Executive.