Which of the following features of the Indian Constitution is adopted…

The correct answer is Option 4 - All of the above

Option 1- Parliamentary Form of Government
Option 2- First Past the Post
Option 3- Institution of the Speaker and her/his role Law-making procedure
Option 4- All of the above

Provisions adopted from the constitutions of different countries:

British Constitution:
First Past the Post
Parliamentary Form of Government
The idea of the rule of law
Institution of the Speaker and her/his role Law-making procedure

Irish Constitution- Directive Principles of State Policy

United States Constitution- Charter of Fundamental Rights, Power of Judicial Review and independence of the judiciary

Canadian Constitution- A quasi-federal form of government (a federal system with a strong central government) The idea of Residual Powers

French Constitution- Principles of Liberty, Equality and Fraternity.