Durva Book for Class 6 CBSE Hindi is a comprehensive textbook designed to cater to the needs of students who are learning Hindi as a second language. It covers a wide range of topics and provides ample opportunities for students to enhance their language skills. However, whether it is suitable for students of all learning abilities depends on several factors.

Content
- The Durva Book covers various themes such as family, school, festivals, and environmental issues, which are relevant and relatable to students.
- The content is presented in a simple and easy-to-understand manner, making it accessible for students with different learning abilities.
- The book includes a variety of exercises and activities, including reading comprehension, grammar exercises, and writing tasks, which cater to different learning styles and abilities.

Language Level
- The language level of the Durva Book is appropriate for students at the Class 6 level. The vocabulary and sentence structures used are suitable for beginner and intermediate learners.
- The book provides ample opportunities for students to practice reading, writing, listening, and speaking skills, which are essential for language development.
- The book also includes a glossary of difficult words and phrases, which helps students understand and expand their vocabulary.

Support for Different Learning Abilities
- The Durva Book provides support for students with different learning abilities through its varied activities and exercises.
- The book includes visual aids such as pictures and illustrations, which help students understand and remember the content better.
- The exercises are designed to cater to different learning styles, including auditory, visual, and kinesthetic.
- The book also includes revision exercises and self-assessment tools, which allow students to track their progress and identify areas of improvement.

Additional Support
- For students with special learning needs, additional support may be required beyond the textbook. Teachers can provide extra resources, individualized instruction, and accommodations as needed.
- The Durva Book can serve as a foundation for learning Hindi, but additional resources and support may be necessary to meet the specific needs of students with different learning abilities.

In conclusion, the Durva Book for Class 6 CBSE Hindi is a suitable resource for students of all learning abilities. Its content, language level, and support for different learning styles make it accessible and engaging for a wide range of students. However, additional support and resources may be required to meet the specific needs of students with special learning needs.