First, the candidate needs to go through the syllabus of the interesting job. Below are the main keys to prepare for your Govt Jobs.
Reading Books, Taking Notes, Group Study, Planning, Mock Test, Mind-Mapping, Re-visiting topics, Memory Recall, Verbal Recall, Time Management.
Dedication is really important to prepare for government jobs. Because competition is really high nowadays. Do not hesitate to get help from your seniors and teachers.