Hi there,

As per Gate 2021 guidelines, the eligibility criteria for GATE 2021 includes :

• A candidate who is currently studying in the 3rd or higher years of undergraduate degree program.
• Has already completed any government approved degree program in Engineering/Technology/Architecture/Science/ Commerce and Arts.
• No age limit.

If you don't have degree or certificate then you can upload the latest marksheet for registering.

Please refer to the following link for more information about GATE 2021 https://engineering.careers360.com/exams/gate

Hope this helps..

Good Luck !!