Why do we need a parliament?

We need an assembly of elected representatives or Parliament that exercises supreme authority on behalf of the people. the Parliament has following powers and functions:
(i) Legislative powers: Parliament makes laws in a country. It is the reason for calling them legislatures. Parliament can make new Laws, change existing laws. or abolish existing Laws and can make new ones in their place.
(ii) Executive powers: Parliament exercises control over the executive i.e., Council of Ministers. The Council of Ministers in a parliamentary democracy, is responsible to parliament (Lok Sabha in India)’ If Lok Sabha passes vote of no-confidence motion against the council of Ministers, all ministers including the prime Minister have to quit.
(iii) Financial powers: Parliament controls all the money that government has. It passes budget every year’ Public money can be spent only with the approval of the parliament.
(iv) Highest forum of discussion : Parliament is the highest forum of discussion and debate on public issues and national policy. Parliament can seek information about any matter.