SCIENCE AND TECHNOLOGY booklist and approach for UPSC CSE Prelims
● Current affairs magazines were my only source for this portion. For complex topics e.g. RFID, Bitcoin, 5G, orbits, RT PCR etc. I took help of random youtube videos to get my concepts clear.
● If you have enough time, consult two different institutes' magazines of science and tech for better coverage. I studied Vision and Raus compass.
● For basics of biotechnology, the last four chapters of class 12 NCERT biology books are recommended. However, I don't read it because of my biology background.
~ UPSC CSE Topper.