Environment play’s important role both in prelims and mains and there as been great focus on this topic in prelims and mains. So one should not ignore this section and prepare it thoroughly
STEP-1– Read basics from books mentioned below thoroughly.
STEP-2–Revise all topics that you have read in first step.
STEP 3– Read all the relevant topics related to environment which were in News.
STEP 4-In IAS as well as in HAS there will be some applied questions from environment which totally depends on your basics and logical understanding. Try to master this portion
STEP 5–Read all facts and date –Specifically for HAS exam and than practice mock tests
-ICSE Board- Environmental studies- Class 10th and 11th
-NCERT- Geography Books (in 6th to 12th there are lot of chapters on Environment)
–Science NCERT books including relevant chapters in class 12th biology and 11th 12th chemistry book
–Shankar IAS Notes
Shankar IAS Notes
OPTIONAL– Remaining books