With this qualification, you can choose the best one as per your interest and potential among below options -
1) You can go for further studies like B.Tech/B.E which will be of 4 years course and if you choose this one then this will be helping you to enhance your knowledge about particular branch which will be good for your career growth.
2) You can go for PSUs like ISRO, NTPC, CDAC etc as well if you have got 70% along with deep practical, theoretical knowledge and good communication skills.
3) You can also go for short term courses if you dont have any interest in above two career options. You can try the courses of -
SCADA Communication etc.
Hope this helps!!!