Hello Rishabh, There is no confusion, Yes you definitely can give SSC CGL exam, becoz they demand required documents at the end of the stage. By that time all documents need to be in your hand, so that they can be submitted in the end....
Best of luck
Yes, final year students can apply for SSC CGL.
To get the idea about the eligibility criteria you can also refer to below link
SSC CGL Tier I Mock Test Series
Start preparing for SSC CGL Tier I with S Chand Test Series