For preparing Interview in Gov’t job there is no such syllabus. It is the mood of interviewer who can ask anything from any field whether related to subject you applied,or the general topic.
If you want to crack interview of govt job you should first study every detail about organization for which you are going.
Analyse all details about the government oraganization and and jobs which you have applied for like banking sector you should know about origin, years, policy , share, various schemes for customers, profit it earned last fiscal,who is the MD or chairman etc.
