After completion your engineering diploma you have many option to grow more as listed below I

1. If you're from ME, CE, EEE you can apply for State JE(junior engineer) govt job .
2. If you are willing to get admission in govt college then apply for LEET(Lateral Entry Entrance Test).
3. You can go for private companies for job by giving interview.

You can search for various vacancies for govt based on your qualifications if you find it matches with your qualifications then apply for that.