Hint: A lot of features in the Indian Constitution are adopted from various countries like the USA, Canada, Ireland, Australia, France, Germany, South Africa, Japan etc.
Complete answer: India has a parliamentary form of government that is taken from the British Constitution. A parliamentary system of government or parliamentary democracy is a system of democratic governance of a state where the executive remains in power when it derives its democratic legitimacy from its capacity to acquire the confidence of the legislature. They are also accountable to the parliament. In a parliamentary system, the head of state is the President while the head of government is the Prime Minister. Currently, India’s Parliament is divided into three major parts and follows bicameralism. The upper house is known as Rajya Sabha, the lower house if known as Lok Sabha.
Looking at the options given:
Option A- Parliamentary form of government is adopted from the British Constitution.
Option B- The principle of liberty has been adopted from the French constitution.
Option C- The idea of residual powers has been adopted from the Constitution of Canada.
Option D- The concept of federalism has been taken from the Canadian Constitution.
Therefore “A” is the correct answer.
Note: Apart from the Parliamentary form of government there are other features that are adopted from the British Constitution such as, Rule of Law, Legislative procedure, Single citizenship, Cabinet system, Prerogative writs, Parliamentary privileges, Bicameralism.