Provision for Discretionary Grants which may be given by the Central Government to the States is provided under which Article of the Constitution of India?

Grants-in-aid are provided for in the Constitution of India under Articles

According to which Article of Constitution of India, the Chief Minister is appointed by the Governor of a State?

Under which article of the Indian Constitution, the Parliament can make laws on State List subject for giving effect to international agreements?

Which article of the Indian Constitution deals with the Appointment of Governors in States?

Under which Article of the Constitution of India can the Parliament alter the boundaries of existing States?