IMPORTANT SOURCES OF INDIAN CONSTITUTION

1) GOVERNMENT OF INDIA ACT 1935

1. Federal scheme 
2. Office of governor
3. Role of federal judiciary
4. Emergency power & administrative structure of both center and state
5. Service commission

2) BRITISH CONSTITUTION(UK CONSTITUTION)

1. Law making process
2. rule of law
3. single citizenship
4. Electoral system
5. civil services
6. bicameral parliamentary system
7. Legislation
8. speaker in lok sabha
9. parliamentary form of govt.
10. office of cag
11. Writs jurisdiction of the courts
12. office of the speaker & his role

3) AMERICAN CONSTITUTION(USA)

1. FUNDAMENTAL RIGHTS 
2. Independent judiciary
3. supreme court
4. Impeachment process of supreme court and high court
5. Impeachment of president
6. procedure for the removal of judges of supreme and high court
7. preamble
8. role of vice president as the chairmen of rajya sabha
9. written constitution

4) CANADIAN CONSTITUTION

1. Federation with strong center(federal system)
2. residuary power given to the parliament
3. NAME;     THE UNION OF INDIA
4. Appointment of state governor

5) IRISH CONSTITUTION (IRELAND)

Directive principal of state policies

Manner of election of the president

nomination of certain member in the legislature

6) AUSTRALIAN CONSTITUTION

1. Principal of co-operative federalism (center & state).
2. Freedom of inter- state trade,commerce & intercourse(article 301).
3. The idea of concurrent list.
4. Joint sitting of parliament .

6) SOUTH AFRICA

1. Procedure for the constitutional amendment (art. 368)
2. Election of member of rajya sabha

7) JAPANESE CONSTITUTION.

1. Procedure established on law , i.e law on which supreme court function

8)  FRENCH CONSTITUTION.

1.   Principle of liberty, equality and fraternity.
2. republic

9) U.S.S.R CONSTITUTION

1. FUNDAMENTAL DUTIES
2. FIVE YEAR PLAN 

10) GERMANY CONSTITUTION:Emergency provisions and suspension of fundamental rights during emergency.