hello there

the answer to this question is relative and can vary from person to person . in my view B.tech computer science would be the best ug course to do if you want gate cse to be cracked . if you look carefully over the syllabus then you might notice there are many topics which a btech cs student would find easier to understand

check this article . hope it might help

https://engineering.careers360.com/articles/how-prepare-for-gate-computer-science-engineering

best wishes