1. General Intelligence & Reasoning:
Books:
"A Modern Approach to Verbal & Non-Verbal Reasoning" by R.S. Aggarwal: Comprehensive coverage with ample practice.
"Analytical Reasoning" by M.K. Pandey: Focuses on logical thinking.
Websites:
Indiabix.com: Offers practice tests and tutorials.
Testbook.com, Gradeup.co: Provide mock tests and study materials.
2. General Awareness:
Books:
"Lucent's General Knowledge": Covers history, geography, polity, and science.
"Manorama Year Book" or "Arihant General Knowledge": For current affairs and static GK.
Websites:
Press Information Bureau (pib.gov.in): Official government news.
Current affairs websites (e.g., GKToday, AffairsCloud): For daily and monthly updates.
Newspapers (The Hindu, Indian Express): For in-depth analysis.
3. General English:
Books:
"Objective General English" by S.P. Bakshi: Covers grammar, vocabulary, and comprehension.
"English Grammar & Composition" by Wren and Martin: A classic grammar reference.
Websites:
Grammarly.com: For grammar and writing checks.
[invalid URL removed]: Free grammar lessons and exercises.
4. Numerical Aptitude:
Books:
"Quantitative Aptitude for Competitive Examinations" by R.S. Aggarwal: A widely used resource.
"Magical Book on Quicker Maths" by M. Tyra: For shortcut methods.
Websites:
Khanacademy.org: Free math lessons and practice.
5. Trade-Specific Knowledge:
Books: This is highly dependent on your trade. Search for textbooks related to your specific trade (e.g., "Electrical Wiring," "Automobile Engineering").
Websites:
NPTEL (nptel.ac.in): Offers online courses and video lectures on various engineering and technical subjects.
Industry-specific websites and forums: Search for resources related to your trade.