To apply for the ISRO Recruitment 2023, you need to follow these steps:

1. Visit the official website of ISRO at www.isro.gov.in.
2. Click on the “Careers” tab.
3. Click on the “ISRO Recruitment 2023” link.
4. Read the notification carefully and understand the eligibility criteria.
5. Click on the “Apply Online” link.
6. Fill in the application form carefully and submit it.
7. Pay the application fee.
8. Take a printout of the application form for future reference.

Here are some important things to keep in mind while applying for ISRO Recruitment 2023:

• You must have a valid email ID and mobile number.
• You must upload a scanned copy of your passport size photograph and signature.
• You must pay the application fee through online mode.
• You must submit the application form within the last date.

• The ISRO Recruitment 2023 syllabus is as follows:
  General Knowledge
  • Current affairs of National & International importance.
  • History.
  • Culture.
  • Geography.
  • Science.
  • Polity.
  • Economy.
  General Intelligence & Reasoning Ability
  • Analogy.
  • Coding & Decoding.
  • Sitting Arrangement.
  • Ranking Arrangement.
  • Dice, Cube & Cuboid.
  • Calendar.
  • Number Series.
  • Coded equation.
  • Clock.
  • Directions.
  • Counting figures.
  • Alphabets, Sequence, Mirror and Water Image.
  Quantitative Aptitude
  • Number System.
  • Arithmetical Operations.
  • Ratio and Proportion.
  • Percentage.
  • Simple Interest.
  • Compound Interest.
  • Time and Work.
  • Time and Speed.
  • Mensuration.
  • Data Interpretation.
  General English
  • Comprehension.
  • Vocabulary.
  • Grammar.
  • Sentence Structure.
  • Writing Skills.
  The ISRO Recruitment 2023 exam will be conducted in two stages:
  • Stage 1: Written Examination
  • Stage 2: Skill Test
  The Written Examination will be of 120 minutes duration and will consist of 100 questions. The questions will be of multiple-choice type and each question will carry one mark. There will be a negative marking of 0.25 marks for each wrong answer.
  The Skill Test will be conducted for the shortlisted candidates in Stage 1. The Skill Test will be of 30 minutes duration and will consist of a typing test and a computer proficiency test.
  The final selection of candidates will be based on their performance in the Written Examination and the Skill Test.

Here are some of the best books for ISRO Recruitment 2023:

• General Knowledge
  The Hindu Year Book by The Hindu
  The Indian Express Year Book by The Indian Express
  The World Almanac and Book of Facts by World Almanac Books
• General Intelligence & Reasoning Ability
  R.S. Aggarwal’s 5000 Solved Problems in Analytical Reasoning by R.S. Aggarwal
  R.S. Aggarwal’s 5000 Solved Problems in Verbal Reasoning by R.S. Aggarwal
  R.S. Aggarwal’s 5000 Solved Problems in Non-Verbal Reasoning by R.S. Aggarwal
• Quantitative Aptitude
  R.S. Aggarwal’s 5000 Solved Problems in Quantitative Aptitude for Competitive Examinations by R.S. Aggarwal
  Arihant’s Quantitative Aptitude for Competitive Examinations by Arihant
  The Math Guru : Quantitative Aptitude for Competitive Examinations by The Math Guru
• General English
  Objective General English by S.P. Bakshi
  Perfect Competitive English by V.K. Sinha
  General English for all Competitive Exams by S.C. Gupta

These are just a few of the many books that are available for ISRO Recruitment 2023. It is important to choose books that are relevant to the syllabus and that are written in a clear and concise manner. It is also important to practice solving questions from previous year papers.

In addition to reading books, it is also important to join a coaching institute or to take online courses. This will help you to learn from experienced professionals and to get access to practice questions and mock tests.

With proper preparation, you can increase your chances of success in the ISRO Recruitment 2023 exam.