How many GATE papers can I apply?

1. For how many GATE papers can I apply? A candidate can apply for only ONE of the 21 papers listed in the GATE 2013 Brochure or GATE website. The choice of the appropriate paper is the responsibility of the candidate. Some guidelines in this respect are suggested below.
   1. The candidate is expected to appear in a paper appropriate to the discipline of his/her qualifying degree.
   2. The candidate is, however, free to choose any paper according to his/her admission plan, keeping in mind the eligibility criteria of the institutions in which he/she wishes to seek admission
2. After submission of application, am I permitted to change my GATE Examination Paper and Examination City? Requests for change of GATE Examination paper after the submission of Application Form will not be considered. However, requests for change of examination city will be accepted till November 20, 2012 with a fee of  400/- to be paid in the form of a demand draft in favour of “Chairman GATE 2013″, payable at Mumbai.  Please send this DD to the Zonal office where you sent the application form.
3. Will I be provided with any white paper for rough work and calculations during the test? For OFFLINE Examination, the question paper itself contains some blank sheets on which you can do the rough work. Rough work cannot be done on any other paper/sheet as no additional paper will be provided during the test. For ONLINE Examination, a notepad provided to the candidate can be used to do the rough work.
4. Am I allowed to leave the examination hall during the test? NO. Candidates will NOT be allowed to leave the examination hall for any reason during the test. For OFFLINE exam, candidates are allowed to leave the hall only after the Optical Response Sheet (ORS) from all the candidates in the examination hall have been collected and accounted for.  For ONLINE examination, candidates are allowed to leave the lab only after the closure of the test at the scheduled end of examination in a session.
5. What items are not permitted to be brought with me inside the examination venue? Electronic diary, mobile phone, and any such electronic gadgets, blank papers, clip boards and log-tables will not be allowed in the examination venue.
6. Can I use a calculator during the exam? Yes. You are permitted to use a scientific calculator without data connectivity. If you bring any item that is not permissible inside the examination venue, you will have to keep it at the test center at your own risk.
7. Will there be any arrangement at the test center for the safe keeping of my personal items such as my mobile phone? No such arrangements will be possible at the test center.
8. Is the use of pencils to darken the bubbles in the answer sheet permitted? NO. The use of pencils to darken the bubbles in the answer sheet has been discontinued. Candidates should use only black ink ball point pen for darkening of the bubbles in the answer sheet. Since bubbles darkened by the black ink ball point pen cannot be erased, candidates should darken the bubbles in the answer sheet very carefully.