The correct answer is: B) Federal system.
A federal system is a system of government in which power is shared between a central government and regional governments. The central government has certain powers that are given to it by the constitution, while the regional governments have other powers that are given to them by the constitution. The central government and the regional governments can both make laws, but the central government’s laws take precedence over the regional governments’ laws.
A unitary system is a system of government in which all power is held by the central government. The central government can make laws that apply to the entire country, and the regional governments have no power to make laws.
A confederal system is a system of government in which the regional governments are more powerful than the central government. The regional governments can make laws that apply to their own regions, and the central government can only make laws that apply to the entire country if all of the regional governments agree.
A presidential system is a system of government in which the head of state is also the head of government. The president is elected by the people, and the president appoints the cabinet. The cabinet is responsible for carrying out the laws that are made by the legislature.
In conclusion, Telangana follows the Constitution of India, which establishes a federal system of government.