Hi, You can follow some of the basic steps which include are:
1. Read newspapers daily like 'The Hindu'
2. Go through school books
3. You can avail for various online mocks and take a look on deep analysis on your performance in the mocks. This shall give you a direction to your preparation.
4. Read novels, stories, poems and about poets as well.

The syllabus generally covers
- G.K
-Hindi/English
-General Aptitude
- Student can even choose one subject from their stream related to his/her background.

All the best!