Hello Shalini,

Firstly congrats for your rank.Yes you have good chances for securing a seat at Amrita University Coimbatore campus.You have chances to get the core branches as well as CSE and Mech there.

To know more about your chances you may use  the AEEE college predictor.

https://engineering.careers360.com/aeee-college-predictor

Hope this helps.

All the best!!