Dear aspirant,

Considering the fact that you are completed with your Msc mathematics and you are wanting to give gate cse. There are some eligibility criteria which you should know and here it is as follows-

1- Candidates of any origin whether india or outside India can apply for it.

2- Candidates must have completed their graduation or master degree in any relevant science subject

3- There is no age limit to give gate.

For more information you can check out the link given below-

https://engineering.careers360.com/articles/gate-eligibility-criteria