I was searching for government jobs in chennai and found this website govtkb.com very useful.
You can find many good job options in central government jobs.
To apply for these jobs, firstly, you need to complete your graduation. & you can apply for IBPS PO Bank exam, SSC CGL 2017 Exam, UPSC Exams, Railway exams.
These are some of the best government job exams for which you can apply. There are too many perks & benefits of getting these jobs like : social reputation, high salary, promotions etc.
hope it will help you!