GATE question papers with answer keys

GATE question paper with answers and material for all branches are as follows:
1) http://adf.ly/9eoVJ
2) http://adf.ly/9etz8 This website offers study material for each branch of GATE exam and the website also provide sample test papers, which is the past years question paper for each group with answers. This will be useful for the students to prepare and evaluate themselves. Apart from study materials the website also provides all other information regarding GATE exam.
3) http://adf.ly/9eu6k This website offers the past 10 years GATE question papers (1999-2009) for subjects like chemistry, biochemistry, biotechnology, botany, microbiology and zoology. In addition to this, the website also enables downloading of different biology books.
4)http://adf.ly/9euFe This website offers online GATE practice test for the groups Computer Science and Information Technology, Electrical Engineering, Electronics and Communication Engineering, Civil Engineering, Mechanical Engineering, Life Sciences. Apart from these GATE practice tests for particular groups, the website also conducts GATE general Aptitude Test and the test contains questions from previous year papers. The candidates can attend the test only if they have login ID and password, for which the candidate will have to register with this website.
5)http://adf.ly/9exeC GATE online study for Computer science and IT branches  
HEY GUYS!!!!! FOR ALL THOSE WHO ARE FROM MECHANICAL ENGINEERING BRANCH I HAVE SOME FREE ONLINE MATERIAL!!!!! IF U SHARE THIS PAGE THEN I WILL SHARE IT WITH YOU!!!!!