I am not from a reputed college. I have recieved 65 % in graduation from arts. Should I join coaching for UPSC CSE? Graduate Aptitude Test in Engineering (GATE): I am a student doing a BTech from the electrical branch. I'm in 4th semester. Is it important to join a coaching centre for preparation of the GATE 2017 exam? How can I prepare for the GATE 2017 exam during college time itself without joining any coaching centre?