Hello Gursangat Sidhu. Thanks for contacting Careers360 and we hope we will be able to answer your query. 

I would first like to point out to you this Quora question for more information about the cutoffs for Thapar University:

• https://www.quora.com/What-is-the-expected-cutoff-for-Thapar-University-in-2017-given-that-the-cutoff-for-the-JEE-Mains-is-81

Basically, it depends on the cutoff score from which you can qualify to write JEE Advanced. 

So, I am sorry that I cannot give a fixed answer right now. You may or may not get admission. 

Hope this helps you and all the best!