Generally, you will be allotted from among centres within the examination city of your first choice. Only in cases where it becomes difficult to accomodate you in the examination city of your first choice, will your second choice be activated.
What is the individual weightage/ no of questions of different topics in different years of GATE?
Where will the test center be, in my city?
Why should one take GATE exam?
Can I give GATE paper other than my graduation discipline?
When will the GATE result declared?
I don't understand TOC, or subject X. Should I study it?
I'm not sure I can crack GATE. Should I go for it?
I'm a working professional, I don't have time. Can I even dream of GATE?
How to start GATE preparations?
How to perform self study?