PRO TIP Block youtube.com at the DNS level — Pi-hole, NextDNS or your hosts file — but allow youtube-nocookie.com and i.ytimg.com. These tutorials keep playing; the rabbit hole does not.

Day – 3 | Environment & Ecology | Part – 3 | UPSC CSE Prelims Foundation Course 2025 | Ms. Madhavi

24.7K views on YouTube

AICSCC TN 22 tutorials here

Biology

Foundation Course UPSC CSE Prelims Schedule
https://drive.google.com/file/d/1jhioOykPJTktKs8I8dlm8ptVyLCUJP-y/view?usp=drive_link

To Download pdf
https://drive.google.com/file/d/1iGVWdcSKArsW2SnKNk0B2Ls8nqVuGSVv/view?usp=drive_link