Both are good for the same and if you talk about these colleges then as per per Careers360 analysis, Manipal Institute of Technology, Manipal & Thapar University, Patiala both have got AAAA+ which says these are the outstanding options to pursue B.Tech programs overall whether you talk about cut-offs of national / state level entrance exams, accreditation and reward status and publication record from elsevier’s indexing database - Scopus but the only drawback is Manipal is bit costly comparatively. So you are advised to consider your interest and convenience befire you make any decision.

For reference, you can go through the below links -

https://engineering.careers360.com/colleges/manipal-institute-of-technology-manipal

https://engineering.careers360.com/colleges/thapar-university-patiala

Good Luck!!!