Which constitutional amendment binds the President of India to act in accordance with advice rendered by the council of ministers?

Which of the following Constitutional Amendment in India has decided the maximum strength of the Council of Minister with Chief Minister in a State ?

Which of the following Constitutional Amendment Acts restricted the size of the Council of Ministers to 15 percent of the total members of the Lok Sabha?

Size of Council of Ministers has been restricted to 15 percent of membership of Lok Sabha by which Constitutional Amendment ?

Which Amendment Act made it compulsory for the president to give his assent to a Constitutional Amendment Bill?

By which Amendment of the Constitution of India forests were transferred from the State list to the Concurrent List?