Title Prelims Wallah Q&A_Science & Technology_E-Book.pdf ✅

PRELIMS WALLAH Chapter-Wise Segregation of Questions Detailed Explanations for all Questions Comprehensive Coverage of Important Topics Use of PW Only IAS Extra Edge for Addition al I nformation FEATURES Download Free UPSC Material Q&A BANK SCIENCE AND TECHNOLOGY For UPSC Civil Services Prelims Exam 2025 400+ Practice Questions