Introduction:
The EVS (Environmental Studies) textbook is a comprehensive resource that covers various aspects of the environment and its conservation. While the textbook is primarily designed for students of the Central Board of Secondary Education (CBSE), it can also be effectively used by students from different educational boards. Here's why:

1. Content Universality:
The concepts and topics covered in the EVS textbook are universally applicable and relevant to students from different educational boards. The textbook covers subjects such as environmental pollution, natural resources, wildlife conservation, and climate change, which are not specific to any particular educational board.

2. Basic Science Principles:
EVS textbook primarily focuses on teaching basic scientific principles related to the environment. These principles, such as the water cycle, food chain, and ecosystems, are fundamental and apply to students from all educational boards. Therefore, students from different boards can benefit from the EVS textbook as it provides a solid foundation in environmental science.

3. Objective Approach:
The EVS textbook follows an objective approach towards environmental education. It aims to provide unbiased and factual information about the environment, its issues, and possible solutions. This approach is not limited to any specific educational board and can be understood and appreciated by students from different backgrounds.

4. Supplementary Resource:
Even if a student is following a different educational board, they can still use the EVS textbook as a supplementary resource to enhance their understanding of environmental studies. It can serve as an additional reference material to complement the curriculum of their respective boards.

5. Self-study and Competitive Exams:
The EVS textbook can be equally beneficial for students preparing for competitive exams or pursuing self-study in environmental science. The comprehensive coverage of topics, clear explanations, and illustrative examples make it a valuable resource for all students interested in the subject, regardless of their educational board.

Conclusion:
In conclusion, the EVS textbook can be used by students from different educational boards apart from CBSE. Its content universality, focus on basic science principles, objective approach, and supplementary nature make it an effective resource for all students interested in environmental studies. Whether for classroom learning, self-study, or competitive exam preparation, the EVS textbook provides valuable insights and knowledge about the environment and its conservation.