What are the tasks of the Security Council?

1)       The Security Council of the UNO means the ministry, also known as Security Council.
2)       In the constitution of UN, the greatest importance is given to Defense Committee.
3)       The main tasks of the Security Council are to discuss any issue disturbing international peace, to punish the guilty and disobeying nations.
4)       Security Council can take action against the nations disturbing peace, with the help of army of member nations.
Security Council takes decision regarding granting permission to new membership