CTET (Central Teacher Eligibility Test) is a competitive exam conducted in India for individuals aspiring to become teachers in primary and upper primary schools. The language subjects covered in CTET include English and Hindi. Here are some book recommendations for both Paper 1 and Paper 2 of the CTET exam:

Paper 1 - Language I (English/Hindi)
1. "English Grammar in Use" by Raymond Murphy: This book provides a comprehensive overview of English grammar and is suitable for both beginners and intermediate level learners. It covers various grammar topics with clear explanations and examples.

2. "Objective General English" by S.P. Bakshi: This book is a popular choice for competitive exams and covers a wide range of topics like grammar, vocabulary, comprehension, and more. It includes practice exercises and previous year question papers for better preparation.

3. "Samanya Hindi" by Dr. Brij Kishore Prasad Singh: For Hindi language preparation, this book is highly recommended. It covers topics like grammar, vocabulary, comprehension, and writing skills. It also includes practice exercises and previous year question papers.

Paper 2 - Language II (English/Hindi)
1. "Word Power Made Easy" by Norman Lewis: This book is a great resource for building vocabulary. It covers a wide range of words along with their usage, synonyms, and antonyms. It also includes exercises to practice and reinforce learning.

2. "Hindi Vyakaran" by Dr. Prakash Chandra Agarwal: This book is specifically designed for Hindi grammar and is suitable for Paper 2 preparation. It covers various grammar topics in a simple and concise manner. It also includes practice exercises for better understanding.

3. "Teaching English as a Second Language" by Marianne Celce-Murcia: This book is focused on the teaching aspect of English as a second language. It covers topics like lesson planning, teaching techniques, assessment methods, and more. It provides valuable insights for aspiring English language teachers.

Remember to supplement your preparation with practice papers, previous year question papers, and mock tests to assess your progress. Additionally, it is important to refer to the CTET syllabus and exam pattern to ensure comprehensive preparation.