There are number of colleges in the country from where you can do Mechanical Engineering. You can give the entrance exams such as JEE MAINS, UPSEE and various other states organize the entrance exam for admission into technical courses. The scholarships are based on your entrance score, your grades in class 12th & 10th. If you are eligible on all these fronts colleges provide you scholarship or they may reduce the fees. But it depends on college as well that whether they have this criteria of giving scholarship or not.