Hii Anubhav!
If you want to prepare for and crack Public Service Commission exam of any state, the first thing is time management. Some small tips will help you prepare well.
* Know the exam pattern
* Collect materials related to your exam
* Prepare a time table and strictly follow it in any case.
* Allot time for each subject according to your apptitude such as daily 2 hours for general knowledge, 1 hour for maths etc.,
* Solve as many model question papers, previous year question papers as you can.
* Join a coaching centre to help you prepare better.
Hope this helps.
Good luck!