To effectively allocate time for reading and analyzing recommended textbooks, study materials, and sources for Political Science and International Relations (PSIR), you can follow the strategies outlined below:

Create a Study Schedule:
- Allocate specific time slots for reading and analyzing PSIR textbooks in your daily or weekly study schedule.
- Divide your study sessions into manageable chunks to avoid burnout and enhance concentration.
- Prioritize the most important and challenging topics first to ensure efficient use of time.

Set Realistic Goals:
- Set specific goals for each study session, such as completing a certain number of pages, chapters, or topics.
- Break down larger goals into smaller, achievable tasks to maintain motivation and track progress.
- Celebrate milestones and reward yourself after accomplishing each goal to stay motivated.

Utilize Active Reading Techniques:
- Engage actively with the reading material by underlining or highlighting key points, taking notes, and summarizing main ideas.
- Use sticky notes or bookmarks to mark important pages or sections that require further analysis or review.
- Ask yourself questions while reading to encourage critical thinking and deeper comprehension of the content.

Implement the SQ3R Method:
- Survey: Start by skimming the textbook or study material to get an overview of the content, headings, and subheadings.
- Question: Formulate questions based on the headings and subheadings to guide your reading and analysis.
- Read: Read the material actively, focusing on answering the questions you generated.
- Recite: Summarize and explain the content in your own words after completing each section or chapter.
- Review: Review your notes, summaries, and key points regularly to reinforce your understanding and retention.

Use Supplementary Study Materials:
- Besides textbooks, explore additional study materials such as lecture notes, research papers, scholarly articles, and online resources to gain a comprehensive understanding of the subject.
- EduRev provides a wide range of study materials, including notes, practice questions, and previous years' question papers, which can be valuable resources for PSIR preparation.

Form Study Groups:
- Collaborate with fellow PSIR students to form study groups and discuss the recommended textbooks and study materials.
- Share insights, clarify doubts, and engage in intellectual discussions to deepen your understanding of the subject.
- Teaching and explaining concepts to others can enhance your own understanding and retention.

By following these strategies, you can effectively allocate time for reading and analyzing recommended textbooks, study materials, and sources for PSIR, leading to a comprehensive understanding of the subject and better performance in your UPSC examination.