Hello Akiara kokoro .

Yes you will get CSE in all the three campuses of amrita. If we see the cutoff of CSE or ECE then:

1) Amritapuri: CSE: Closing rank: 16547

                      ECE: Closing rank: 19408

2)  Coimbatore: CSE: Closing rank: 13801

                      ECE: Closing rank: 16407

3)  Bangalore: CSE: Closing rank: 10354

                      ECE: Closing rank: 15582

So, you can get any of the above branches in any of the campuses of your choice!

For more information visit:

 https://engineering.careers360.com/articles/aeee-cutoff