You have not mention the course in which you want to get the admission but seeing your rank, it is good enough to get the admission in the GBU but still yo have to go through the counselling round and you have to confirm your seat in the course you wany to study. Here a link is attaches where you can find out the information about the GBU and courses offered by them and fees and cutoff marks too which will help you better to have the admission in GBU.

https://www.careers360.com/university/gautam-buddha-university-greater-noida