Hello Rudra,

Hope you are doing well, As you've mentioned that your engineering ranking  in OJEE 2021 is 6715,which is good rank. Yes you chances of getting cse seat in VSSUT ,Orissa. Also Here are the colleges where you have good chances of getting cse seat through OJEE Counselling:

College of engineering & technology- Biju Patnaik University of technology

VSSUT

Parala maharaja Engineering College

Indira Gandhi Institute of Technology

Bhadrak Institute of engineering & technology

Apex institute of technology & management

Adarsha College of Engineering

Gandhi Institute of technology & management

Gurukula Institute of technology & management

All the best!

Hope this helps you