HELLO ASPIRANT,

its really good to know that you are thinking about gate from second year. see first of all try to clear your basics. and solve as much as problem from any booklet. there are a number of books available in market which has 10 years question. try to solve from there. make a copy for short notes. and revise the subjects regularly. if you follow this rule you may crack gate in first attempt.

hope you have understood.