okay you belobg to OC then you can join according to your rank , i mean after councling you can join where ever you got the seat

 This urls can help you to go through the cut off marks required for different institutions :  1. https://www.google.co.in/amp/s/engineering.careers360.com/articles/gate-cutoff%3famp

2. https://www.google.co.in/amp/s/exams.collegedunia.com/gate/cutoff/amp

To predict your clg this url might help you :  https://engineering.careers360.com/gate-college-predictor

Hope this helps you.

And Congratulations for your result .