Hi Shivam,

As per the eligibility criteria of GATE Exam, if you complete a graduation course or you are in the last year of graduation then you are eligible for GATE.

No, if you have done diploma from Electronic engineering, then, you will note be eligible for GATE Exam.

Refer here for more info - https://engineering.careers360.com/articles/gate-eligibility-criteria#Paperwise-Eligibility-Criteria-of-GATE-2021

Check out our GATE 2020 College Predictor with PSU Chances & E-Books -

Feel free to ask doubts in the Comment Section.

I hope this information helps you.

Good Luck!