There are several specific topics that you should focus on for Paper II based on the previous year's question papers. These topics are important for the UPSC exam and can help you score well in the examination. Let's explore these topics in detail:

1. Indian Constitution and Polity:
- Understand the basic features of the Indian Constitution and its amendments.
- Familiarize yourself with the different parts, schedules, and articles of the Constitution.
- Study the powers and functions of the executive, legislature, and judiciary.
- Learn about the fundamental rights, directive principles of state policy, and fundamental duties.
- Gain knowledge about important constitutional bodies like the Election Commission, Finance Commission, etc.

2. Indian Economy:
- Understand the concepts of national income, inflation, and economic growth.
- Study the different sectors of the Indian economy, such as agriculture, industry, and services.
- Learn about economic planning, budgeting, and taxation in India.
- Gain knowledge about the various economic reforms and policies implemented in the country.

3. Governance and International Relations:
- Understand the concepts of governance, accountability, and transparency.
- Study the different dimensions of good governance and its significance.
- Learn about the various government schemes and initiatives.
- Gain knowledge about international relations, India's foreign policy, and its relations with other countries.
- Stay updated with current affairs related to international organizations like the United Nations, World Bank, etc.

4. Social Justice and Social Issues:
- Understand the concepts of social justice, equality, and empowerment.
- Study the issues related to caste, gender, religion, and other social dimensions.
- Learn about the social welfare schemes and policies implemented by the government.
- Gain knowledge about important legislations related to social issues.

By focusing on these specific topics, you will be able to cover a significant portion of Paper II. It is important to study these topics thoroughly and practice previous year's question papers to get a better understanding of the exam pattern and question types. Additionally, staying updated with current affairs will also help you in answering questions related to recent developments and events.