To crack the Graduate Aptitude Test in Engineering (GATE) you should start you’re as earlier as possible, you decision for preparing GATE exam 2nd year of Engineering is really appreciable. To crack this exam you should have good understanding of the basic concepts

Study the syllabus pattern in depth
Create a weekly study schedule
Do not make any guesses in the paper.
Study from books designed for GATE preparation
Practice your calculation and approximation skills
Solve sample year/previous year papers
Revise any topic you feel is your weak point
Practice any applications for a given formulae
Prepare for the General Aptitude section from any GATE book
Practice questions everyday so you do not get out of touch of the topic
Always follow standard books for GATE.
Keep preparing your personal notes as you cover topics.
Make notes
Even you find the paper tough, DO NOT panic. It'll be hard for all Junta
Mentally see yourself succeed
Understand GATE
Concentrate on the syllabus
Take mock tests
Check if you are on time
Make more time for yourself