Hii aspirant..

The best Engineering entrance exams in India for getting admission in engineering colleges after completing your class 12th that is senior secondary is -

• JEE (Main) ...
• JEE (Advanced) ...
• BITSAT. ...
• VITEEE. ...
• SRMJEE. ...
• KIITEE. ...
• IPU CET. ...
• MU-OET.
• SITEEE.
• AMUEEE.
• WBJEE 
• MAHA CET
• UPSEE.
• OJEE
• NATA

These are the exams you can give for Engineering entrance after completing your class 12th.

There are many more exams you can know more about it visit in the link -

https://engineering.careers360.com/exams

Hope it helps. 

Best of luck. 

Hello aspirant ! Let me to inform you that it depends on you that which college you want to go in. If you want to go for nits, iiits , iit , gftis  then you will have to appear for the jee mains and jee advance exam only. If you want to go to other state government college then you will have to give the exam for that board, like webjee for jadavpur university,  kiit entrance for Kalinga institute and so on. 

Hello

There many exams which you can give after twelfth class

1. JEE MAIN
2. JEE Advanced
3. BITSAT
4. VITEEE
5. COMED-K
6. National Eligibility-cum-Entrance Exam for Under Graduate
7. AIPVT
8. Indian Army Bsc Nursing
9. NDA Exam
10. Indian Maritime University Common Entrance Test
11. NCHMCT JEE
12. CLAT
13. LSAT
14. All India Law Entrance Test (AILET)
15. NIFT Entrance Test
16. All India Entrance Examination for Design (AIEED)

Government Exams After 12th

1. IAS Officers
2. Indian Foreign Service Officer (IFS)
3. Defence Officers (Air Force, Navy, Army)
4. Banking Officers (probationary officer)
5. IPS (Indian Police Service)
6. RRB NTPC
7. RRB Assistant loco piolet
8. RRB Group D & others.
9. UPSC NDA NA
10. SSC CHSL

Thanks.