Admission to Thapar University depends not only on your JEE Main score but also on your board percentage. On average, you should score at least 60% Aggregate of Physics, Chemistry, and Mathematics in the 12th class for General Candidates. There is a relaxation of 5% for students belonging to reserved categories like SC or ST. As far as the JEE Marks are considered,
Students can get admission into Thapar University if they satisfy the above criteria.
If you are a general category student you will need around 60% marks in 10+2 and 70+ marks in JEE Mains in order to get admission at Thapar University. If you have 80% in boards, you will need around 48+ percentile in JEE.
The video below briefly explains the cutoff for Thapar University
Thapar University cutoff usually stays lower than the NITs. The institute also has 50% reservation for Panjab domicile students. The cutoff required is lower for students from Panjab.
You can get admission to Thapar University easily depending upon the number of branches and its high-rising fee structure. Thapar accepts JEE scores for admission.
You need to score at least 50-60% for the branches having higher cut-off such as CSE and ECE. with that you will also need to score more than 80% in your SSC. For Mechanical, Electrical, and EIC a score in the range of 50% will be fine.
For branches like Civil and Chemical marks in the range of 40-50% will be needed. For branches other than core the range varies as they are new.
So to get a decent branch I would say your target should be 50% in the JEE exam.