If you want to get a job at Google from the campus itself then it very few campuses of India Google visits for recruitment this include the top 7 IIT therefore if you are interested you need to first to get a branch of Computer Science and Engineering and once you get a computer science and engineering branch you need to study a lot and have a recent CPI of more than 8 and you need to also learn good skills such as programming operating systems and multiple languages and have good number of projects in your resume then once they come for recruitment perform well in the test and get placed