Hi Nandan.

For admission in GBU the cut off for general merit candidates was 231 in 2017 in the Civil branch. Considering this and your rank you seem to have less chances. Use the link given below to see the cut off for all courses and categories in GBU.

https://www.google.com/url?sa=t&source=web&rct=j&url=http://www.gbu.ac.in/Admissions/Cut_off_based_Overall_Rank.pdf&ved=2ahUKEwj9x8qf7NLbAhWTeysKHeiAA8AQFjAAegQIABAB&usg=AOvVaw0bOqi_Pr1uzqVTyoz2LjC8

Best of luck!