hello aspirant,

YES, you can apply for the GATE Exam regardless of the backlogs in your semester exams because the backlogs does not have any effect in the GATE Exam. As per GATE 2022 eligibility criteria a candidate who is currently in final year or already completed is eligible for GATE exam. So if you clear your 4 year engineering degree within 4 years,  You are eligible for GATE 2022 exam. There would be no effect of backlog(s) at any stage of your GATE exam .

Further, to know more about the GATE Exam and its eligibility criteria, you can follow the below mentioned link to know more about it in detail : https://engineering.careers360.com/exams/gate

I hope that this will help.