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

Rank               tuition fee Exemption for first year

1-50                                   100 %

51-250                                75 %

251-1000                            50 %

1001-3000                          25 %