Hi student
First I suggest you better you go to engineering courses this opportunity is best for you I think your question what you do after 12 and best placement university so I suggest you these university you should try. Top engineering colleges
IIT Kharagpur.

IIT Kanpur.

Birla InstituteOfTechnology & Science.

NIT, Karnataka.

Netaji subhas InstituteofTechnology.

Delhi TechnicalUniversity.

IIT Allahabad.

IIT Hyderabad

Thank you...

First, check all the option that you have according to your stream in 10+2.suppose if you have science stream you can go for engineering in any stream of engineering like Cse,ME,CE etc.
If you have bio stream than you can go for medical field.similarly commerce stream.

If have also option of defence field but you should maths in 10+2 or you can do prepare for civil services,for this you must having bachelor degree in any stream.

Now the task is you have to analysis and find out your interest what actually you want to do.

Think about it for further information mention your valuable comments.
All the best dear