GATE ranks are valid for two years. Thus if you wish to appear for this GATE 2022 then your result will be valid till 2024 and for GATE 2023 it will be valid till 2025. Thus you can wish any of the two which will have the best rank out of this two attempts for your MTech Admission.

To know more about GATE visit the link below:

https://engineering.careers360.com/articles/gate

I hope this answer helps. All the very best for your future endeavors!