Ans.

Major Sources of Indian Constitution : Provisions     Source/country

Constitution of the United States    

    Preamble
    Fundamental Rights
    Federal structure of government
    Electoral College
    Independence of the judiciary and separation of powers among the three branches of the government
    Judicial review
    President as Supreme Commander of Armed Forces
    Equal protection under law

British constitution    

    Parliamentary form of government
    The idea of single citizenship
    The idea of the Rule of law
    Writs
    Institution of Speaker and his role
    Lawmaking procedure
    Procedure established by Law

Canadian constitution    

    A quasi-federal form of government —
    a federal system with a strong central government
    Distribution of powers between the central government and state governments
    Residual powers retained by the central government

 Irish constitution (Ireland)    

    Directive Principles of State Policy
    Nomination of members to Rajya Sabha
    Method of Election of President

French constitution    

    Republic and the ideals of Liberty, Equality and Fraternity in the Preamble

Australian constitution    

    Freedom of trade and commerce within the country and between the states
    Power of the national legislature to make laws for implementing treaties, even on matters outside normal Federal jurisdiction
    Concurrent List

Constitution of Soviet Union (USSR)    

    Fundamental Duties under Article 51-A
    A Constitutionally mandated Planning Commission to oversee the development of the economy

Constitution of South Africa    

    Procedure for amendment
    Election of Rajya Sabha members

Constitution of Germany    

    Emergency powers to be enjoyed by the Union
    Suspension of Fundamental Rights during emergency.

Constitution of Russia    

    Fundamental Duties
    Idea of Social, Economic, and Political Justice in Preamble

Constitution of Japan    

    Procedure Established by Law

Government of India Act 1935    

    Federal Scheme
    Emergency Provisions
    Public Service Commissions
    Office of Governor
    Judiciary
    Administrative Details