Hey the you rank in amrita engineering entrance exam (AEEE) is pretty good.you can get admission in best amrita campus with core branches. The last year cutoff are -

Branches                      closing ranking (OS)

1. Computer engineering               16547

2. ENTc                19408

3. Electrical engineering           19969

4. Mechanical engineering            17642

Above ranking is for amrita school of engineering, amritapuri. Similarly you can get coimbatore  and bangalore too.