World - General Knowledge :

World (First, Wonders, Languages, Religions, etc)
First in the World	Wonders of the World	Countries of the World
Major Languages of the World	Religions (Founder, Sacred books & Places)	International Boundary Lines

Countries - Capitals and Currencies
Asian countries	European countries	African countries
North American countries	South American countries	Oceania countries

Countries (Parliaments, Symbols)
Dependencies of the Countries	Parliaments of Countries	Symbols of Countries

Cities (Riverside cities, Changed names, etc)
World Riverside Cities	India Riverside Cities	Changed Names of Cities, States and Countries

Heritage Sites - World & India
World Heritage Sites in India	World - Famous Sites	India - Famous Sites

Superlatives of World (Largest, Biggest, Highest, Smallest, Longest, etc..)
Superlatives - World	Highest Mountain Peaks	Highest Volcanoes
Highest Waterfalls of the World	Largest Deserts	World - Deserts
Largest Islands	Largest Seas	Largest Lakes - Natural
Deepest Sea Trenches	Longest Rivers	Biggest Man - Made Lakes
Largest Countries	Smallest Countries	Tallest Buildings in the World
Tallest Towers in the World	Tallest Statues	Top Most Populous Cities

Inventions and Discoveries
Geographical Inventions and Discoveries	Physics and Chemistry	Mechanical Inventions and Discoveries
Medical Inventions and Discoveries	Scientific Discoveries

Eminent Scientists
Scientists - World	Scientists -India

International Organizations
The Non-Aligned Movement (NAM)	The Commonwealth of Nations	European Union
SAARC	Other International Organisations	Head Quarters - International Organisations
International Treaties & Agreements

The United Nations
United Nations at Glance	History of United Nations	Preamble of the United Nations Charter
Purpose, Principles and Membership	Organs of the UN	Specialised Agencies of the UN
Programmes and Funds of UN	UNO International Decades	UNO International Years
Human Rights

Sports and Games
National Sports and Games	Cups and Trophies Associated with Sports and Games	Places Associated with Sports and Games
Grounds of Sports and Games	Number of Players in Famous Sports	Sports - Measurements
Olympic Games	Commonwealth Games	Asian Games
South Asian Federation (SAF) Games	Facts and Terminology

Solar System
Solar System	Planets of Solar System	The Earth

Miscellaneous
Important Days	National Days of Countries	Books and Authors
Important Abbreviations