Private colleges in Orissa are:-

1. National Institute of Science and Technology
2. CV Raman Bhubaneswar
3. Gandhi Institute of Engineering and Technology, gunupur
4. Gandhi Institute of Technology Bhubaneswar(GIFT)
5. Kalinga Institute of Industrial Technology Bhubaneswar
6. Silicon Institute of Technology Bhubaneswar
7. Institute of Technology education and research Bhubaneswar
8. Trident Academy of Technology
9. Orissa Engineering College
10. Centurion institute of Technology Paralakhemundi
11. Einstein Academy of Engineering and Management..

Also go through the following careers360 lin to get the list of colleges

Https://engineering.careers360.com/colleges/ranking/top-private-engineering-colleges-in-odisha-orissa