Here are the book recommendations for SSC GD (General Duty ) preparations

General Knowledge and General Awareness

1. Lucent's General Knowledge

2. Arihant's General Knowledge

3. Disha's General Knowledge

Mathematics

1. R.S. Aggarwal's Quantitative Aptitude

2. Arihant's Quantitative Aptitude

3. Disha's Quantitative Aptitude

Reasoning

1. R.S. Aggarwal's Verbal and Non-Verbal Reasoning

2. Arihant's Verbal and Non-Verbal Reasoning

3. Disha's Verbal and Non-Verbal Reasoning

English

1. Wren and Martin's English Grammar

2. Arihant's English Grammar

3. Disha's English Grammar

Online Resources

1. SSC official website

2. Online mock tests and practice sets

3. YouTube channels

Additionally, you can also consider the following:

- Practice previous year papers and mock tests

- Focus on your weak areas and improve your skills

- Stay updated with current events and news

- Join online communities or forums for SSC GD preparation

Remember, consistent practice and dedication are key to success in SSC GD exams.