How many times can we give GATE exam
You can appear GATE as many times as you want :)
NOTE:: There is no limit on No of Attempts, but a YEAR wasted is much more valuable than no of attempts :)
So YOU MUST TARGET TO ACE THE RANKING the very first time.
GATE exam result are used for
Junior Research Felloship's ,
Project Assistant Positions,
AICTE,UGC use these Scores for awarding Scholarships(Stipends)
PSU's have started using them for shortlisting for Interviews.