Hey Nitya! Your OJEE MCA rank is not good, getting a good government college is nearly impossible but still you can atleast hope for the best. Odisha Joint Entrance Examination or OJEE is a state level exam conducted by OJEE Board for admission in various undergraduate, masters degree programs. These are some government and private colleges offering MCA in Orissa. 

• Veer Surendra Sai University of Technology - [VSSUT]
• Utkal University
• Siksha 'O' Anusandhan University - [SOA]
• Orissa University of Agriculture and Technology - [OUAT]
• Indira Gandhi Institute of Technology- [IGIT]

Hello Nitya, 2514 rank in MCA exam in special OJEE exam is not bad. It is not too good, but a decent rank. I can't give you proper information without knowing your category and your choice of the stream which you want to opt. You can check and predict your college from the link given below.

Https://engineering.careers360.com/ojee-college-predictor