There are several coaching institutes that offer comprehensive study material for the DSSSB TGT/PGT/PRT exam. These coaching institutes provide structured and well-organized study material that covers all the important topics and concepts required for the exam. Here are some coaching institutes that offer comprehensive study material for the DSSSB TGT/PGT/PRT exam:

1. Coaching Institute 1:
- Provides study material in the form of books, notes, and online resources.
- Covers all the subjects and topics included in the exam syllabus.
- Includes detailed explanations, examples, and practice questions for each topic.
- Offers regular updates to the study material based on the latest exam pattern and syllabus changes.

2. Coaching Institute 2:
- Provides comprehensive study material in both printed and digital formats.
- Covers all the relevant topics and concepts with in-depth explanations.
- Includes practice sets, previous year question papers, and mock tests for better exam preparation.
- Offers supplementary study material such as video lectures, online quizzes, and interactive learning modules.

3. Coaching Institute 3:
- Provides study material created by experienced faculty members and subject experts.
- Covers all the subjects and topics in a systematic and easy-to-understand manner.
- Includes solved examples, shortcuts, and tips for quick and effective learning.
- Offers doubt-solving sessions and personalized guidance to help students clarify their concepts.

4. Coaching Institute 4:
- Provides comprehensive study material that is designed as per the exam syllabus and pattern.
- Covers all the important topics and concepts in a concise and precise manner.
- Includes practice questions, quizzes, and online test series for self-assessment.
- Offers revision notes and summary sheets for quick revision before the exam.

It is important to note that while coaching institutes provide comprehensive study material, self-study and consistent practice are equally important for success in the DSSSB TGT/PGT/PRT exam. Therefore, candidates should make use of the study material provided by coaching institutes as a supplement to their own study efforts.