Paper II of the UPSC exam is divided between regional planning and development and human geography. Each section covers a specific set of topics related to these fields. Let's delve into the details of each section:

Regional Planning and Development:
This section focuses on various aspects of regional planning and development, which include the following topics:

1. Concepts and theories of regional planning: This topic explores the fundamental principles, concepts, and theories related to regional planning. It covers ideas such as spatial organization, regional disparities, and sustainable development.

2. Regional development planning: This topic delves into the process of planning for regional development. It includes aspects such as resource allocation, infrastructure development, and industrialization strategies.

3. Decentralization and local governance: This topic examines the role of decentralization and local governance in regional planning and development. It covers issues like devolution of power, participatory planning, and decentralized decision-making.

4. Rural-urban continuum: This topic explores the relationship between rural and urban areas and their interdependencies. It covers issues like urbanization, urban-rural migration, and the development of rural areas.

5. Regional disparities: This topic focuses on the spatial inequalities and regional disparities that exist within a country. It covers issues like regional imbalances in development, poverty, and income disparities.

Human Geography:
This section deals with various aspects of human geography, which include the following topics:

1. Population and settlement geography: This topic examines the distribution, composition, and growth of populations. It also explores the patterns of human settlements, urbanization, and rural-urban migration.

2. Economic geography: This topic focuses on the spatial organization of economic activities. It covers issues like industrial location, agricultural geography, and globalization's impact on the economy.

3. Political geography: This topic explores the relationship between geography and politics. It covers issues like geopolitics, borders, territorial disputes, and the impact of political factors on regional development.

4. Social geography: This topic examines the spatial distribution of social phenomena such as ethnicity, religion, and gender. It covers issues like social inequality, social exclusion, and the geography of social movements.

5. Cultural geography: This topic explores the relationship between geography and culture. It covers issues like cultural landscapes, cultural diffusion, and the impact of culture on regional development.

In conclusion, Paper II of the UPSC exam is divided between regional planning and development and human geography. Each section covers a range of topics that provide a comprehensive understanding of these fields.