Hi rachamsetty . Well your jee mains percentile is low to fetch you computer science branch in amritha college of engineering but your AEEE rank is good enough I m shocked that till now you should have got the seat in computer science branch as I m considering you general category student the cutoff goes down to 10 k and you have  3 k rank . So you should wait for another round you will surely get you desired branch .

Hope it helps