Course Content
UPSC Notes Samples
Full Syllabus Covered | 100% as per Official UPSC Syllabus
0/46
1. Art & Culture Sample
Covered under topic 1. Indian culture will cover the salient aspects of Art Forms, Literature and Architecture from ancient to modern times.
0/67
1. Indian culture will cover the salient aspects of Art Forms, Literature and Architecture from ancient to modern times. (copy)
0/67
2. Modern Indian history from about the middle of the eighteenth century until the present- significant events, personalities, issues. (copy)
0/66
5. History of the world will include events from the 18th century such as Industrial revolution, World wars, Redrawal of national boundaries, Colonization, Decolonization, Political philosophies like Communism, Capitalism, Socialism etc.- their forms and effect on the society.
0/59
7. Role of women and women’s organizations, Population and associated issues, Poverty and developmental issues, Urbanization, their problems and their remedies.
0/41
10.2. Introduction to Maps
0/1
GS2
All topics that need updates are given below.
2. Functions and responsibilities of the Union and the States, issues and challenges pertaining to the federal structure, devolution of powers and finances up to local levels and challenges therein.
All topics that need updates are given below.
0/36
5. Parliament and State Legislatures – structure, functioning, conduct of business, powers & privileges and issues arising out of these.
All topics that need updates are given below.
0/31
6. Structure, organization and functioning of the Executive and the Judiciary; Ministries and Departments of the Government; pressure groups and formal/informal associations and their role in the Polity.
All topics that need updates are given below.
0/47
12. Welfare schemes for Vulnerable Sections of the Population by the Centre and States and the Performance of these schemes; Mechanisms, Laws, Institutions and Bodies constituted for the Protection and Betterment of these Vulnerable Sections.
All topics that need updates are given below.
0/33
GS3
All topics that need updates are given below.
11. Science and Technology- developments and their applications and effects in everyday life.
0/1
GS3: BIODIVERSITY AND ENVIRONMENT
All topics that need updates are given below.
1. Environment
0/151
GS4
All topics that need updates are given below.
GS3: SCIENCE AND TECHNOLOGY
All topics given below
0/1
1. Motion & Measurements
0/46
9. Metals & Non-Metals
0/23
10. Energy
0/49
12. Plant Organisms
0/33
14. Life Processes
0/42
18. Biotechnology
0/88
19. Information Technology
0/59
20. Space Technology
0/64
National & International Current Affairs (CA) 2025
Current affairs of all months are given below
delete UPSC Sample Notes [English]
i. The key elements and processes involved in the concept of a cyclone

Formation

Cyclones form over warm ocean waters with surface temperatures typically above 26.5 degrees Celsius (80 degrees Fahrenheit). The warm water provides the energy needed to fuel the storm. As the ocean heats the air above it, the warm air rises, creating an area of low pressure. As the warm air rises, cooler air from the surrounding region flows in, leading to a rotation of air around the low-pressure center.

Eye and Eyewall

Cyclones have a well-defined center called the eye, which is a region of calm weather and low winds. Surrounding the eye is the eyewall, which consists of a ring of intense thunderstorms where the strongest winds and heaviest rainfall occur. The eyewall is the most dangerous part of the cyclone.

Coriolis Effect

The Coriolis effect, caused by the rotation of the Earth, plays a crucial role in cyclone formation and structure. The rotation of the Earth deflects the air flow, causing the air to circulate around the low-pressure center in a counterclockwise direction in the Northern Hemisphere and clockwise in the Southern Hemisphere.

Cyclone Categories

Cyclones are classified into categories based on their maximum sustained wind speeds using various scales, such as the Saffir-Simpson Hurricane Wind Scale (for Atlantic and Eastern Pacific storms) and the Typhoon Classification System (for Western Pacific storms). The categories range from tropical depressions (with wind speeds below 39 mph or 63 km/h) to Category 5 cyclones (with wind speeds exceeding 156 mph or 251 km/h).

Impacts

Cyclones bring several destructive elements, including strong winds, heavy rainfall, storm surge, and tornadoes. The combination of these factors can cause extensive damage to infrastructure, flooding, landslides, and loss of life. The storm surge, a rise in sea level caused by the cyclone’s winds and low pressure, can result in coastal inundation and coastal erosion.

Tracking and Forecasting

Meteorological agencies and organizations track cyclones using various satellite and radar technologies. They monitor the storm’s location, size, intensity, and projected path to issue timely warnings and advisories. Sophisticated computer models are used to forecast the future track and intensity of cyclones, helping authorities prepare and evacuate at-risk areas.

Cyclone Names

Cyclones are often given names to aid in communication and tracking. Different regions and meteorological organizations use different naming systems for cyclones. 

Names are usually assigned alphabetically and can be based on predetermined lists, themes, or cultural traditions.

Understanding the concept of cyclones is crucial for disaster preparedness, response, and mitigation efforts in vulnerable coastal areas. Early warning systems, evacuation plans, and resilient infrastructure are key components of minimizing the impacts of cyclones and protecting lives and property.