Which of the following is not function of political parties?

The function of political parties are to present candidates for elections, unite diverse views of different interest groups, and form government after elections. Therefore, "Bringing the country's economic and social conditions under control" is not a function of political parties. Political parties are not responsible for managing the economy or social conditions of the country. Instead, they focus on the political aspect of governance, such as proposing policies and electing officials to carry out those policies.