Hey rkumar,

JEE is joint entrance examination for 12th boards students, the number of candidates is way higher in this examination, therefore it makes it very difficult, but in GATE you have to learn engineering subjects which are complex and the syllabus is way mor vast, you directly get job or you get opportunity to enroll in masters.

You have to work hard in both the examinations as well as thoroughly study the basics.

I hope it helps,

Best of luck.