You can follow below strategies to pass UPSC exam

1- Map out your studies in a way so that adequate time is left for revision. It is equally important that no topic should be skipped while revising. Revise everything.

2- Having a strong command over the basics is better than just knowing the entire subject. Numerous questions are asked from subjects like current affairs, Indian history, Geography, Indian Polity, Ecology, Biodiversity and Environment, hence they should be prepared in detail.

3- Solve previous year paper to increase your speed and accuracy. It will help you in time management.

4- Make your own important notes it will help you in revision.

5- You should be aware of the full syallbus. So, that your preparation is in right track.

6- General studies paper covers everything. It can be categorised as:

• Geography: Focus on physical geography and maps. Atlas is the best guide to help you with these topics

• General awareness: This embraces government schemes etc. Reading newspapers and guidebooks will help you a great deal

• History: Emphasise on Modern history, Freedom movement, Ancient India etc. A standard history guide covers all these topics

• Current Affairs: Going through at least two standard newspapers (one English and the other, a vernacular) will keep you abreast of the current events

• CSAT: It covers a vast portion. Comprehension, logical reasoning, basic numeracy are to be prepared from standard book

Good Luck!!