Sravani, 

Based upon your score your predicted rank is around 15K.

You can check your rank at

https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/comedk-rank-predictor&ved=2ahUKEwiA27SEgKLiAhVEaCsKHTxrCcIQFjAJegQIBxAI&usg=AOvVaw3AH2G6y5hl--daKfYoqRzY&cshid=1558076804254

The last year cut off rank for RV was

Aerospace Engineering 6611

Biotechnology 14065

Chemical Engineering 8141

Civil Engineering 8674

Computer Science and Engineering 373

Electrical and Electronics Engineering 2480

Electronics & Instrumentation Engineering 3764

Electronics and Communication Engineering 856

Industrial Engineering and Management 9909

Information Science and Engineering 597

Mechanical Engineering 2111

Telecommunication Engineering 4513

So as you can see you can't get CSE /ECE in RV but you can get BIOTECHNOLOGY.