There are several study materials available that cover both theoretical concepts and practical applications for the DSSSB TGT/PGT/PRT exam. These study materials are designed to help candidates prepare effectively for the exam by providing comprehensive coverage of the syllabus and practice exercises.

1. Textbooks and Reference Books:
- Textbooks prescribed by the DSSSB for the respective subjects are a primary source of theoretical concepts.
- Reference books written by renowned authors can provide a deeper understanding of the topics and help in gaining conceptual clarity.

2. Previous Year Question Papers:
- Solving previous year question papers is crucial to understanding the exam pattern and the type of questions asked.
- It helps in identifying important topics and areas that require more practice.

3. Online Study Materials and Notes:
- Several websites and online platforms offer study materials and notes specifically designed for the DSSSB TGT/PGT/PRT exam.
- These materials cover all the important topics and provide detailed explanations of theoretical concepts.
- Online study materials also include practice quizzes and mock tests to help candidates assess their knowledge and improve their exam-taking skills.

4. EduRev:
- EduRev is an online learning platform that offers a wide range of study materials, notes, and practice questions for the DSSSB TGT/PGT/PRT exam.
- It provides comprehensive coverage of the syllabus, including both theoretical concepts and practical applications.
- EduRev's study materials are created by experienced educators and subject matter experts, ensuring high-quality content.
- The platform also offers features like personalized study plans, progress tracking, and doubt-solving sessions to help candidates prepare effectively.

5. Coaching Institutes:
- Joining a reputable coaching institute can provide candidates with access to expert faculty and comprehensive study materials.
- Coaching institutes often conduct regular mock tests and provide valuable insights and strategies to crack the exam.

In conclusion, candidates preparing for the DSSSB TGT/PGT/PRT exam can utilize a combination of textbooks, reference books, previous year question papers, online study materials, and coaching institutes to cover both theoretical concepts and practical applications. EduRev is an excellent online platform that offers comprehensive study materials specifically designed for this exam.