Congratulations on scoring good marks. Going through your rank, it seems you have fair chances of getting Computer Science and Engineering branch is GITAM keeping in mind that closing rank is around than 20,000. But you'll not be eligible for Fee concession as this is for candidates up to 3000 rank.

Rank                   fee Exemption for first year

1-50                               100 %

51-250                            75 %

251-1000                        50 %

1001-3000                      25 %