Hello, Divya. You mentioned you have secured 80 percentile in GSEB, 91 percentile in GUJCET and 80 percentile in JEE Main.

At first, lets consider your JEE Main performance. As per your percentile, your JEE AIR should lie within 204600 - 230000. As per records and your performance, it is less likely for you to get chance in Nirma University.

To know more about JEE Main previous years' cutoff, check out this link: https://engineering.careers360.com/articles/nirma-university-btech-admissions#Nirma-University-BTech-Cutoff-2021

Now, lets consider your GUJCET performance. As per your percentile, there is good possibility for you to get chance in EE, CE, IC and slight possibility in Chemical Engineering and Mechanical Engineering. In other orders, your performance in GUJCET is better than JEE Main.

To know more about GUJCET previous years' cutoff, check out this link: https://engineering.careers360.com/articles/gujcet-cutoff

To know your eligibility in  various colleges based on your JEE Main rank and percentile, use JEE Main 2021 College Predictor Tool:

To know your eligibility in  various colleges based on your JEE Main rank and percentile, use GUJCET College Predictor Tool:

I hope all this information is enough for you to clear your doubts.

Thank you and all the best!