The student profile is the most important part of the admission process. Your profile will decide whether you will get the admission or not. Student profiles are evaluated based on different criteria. Your Score (GPA, entrance test scores, School grades), Resume, Statement of Purpose, Letter of recommendation, Research work (if any), work experience (if any), this is the basic method of profile evaluation.
For a bachelor's in mechanical engineering MIT, Stanford University, UCB, California Institute of Technology are some of the best universities you can choose from. The tuition fees for these universities are,

MIT- $53,450 Stanford University- $55,473 UCB- $43,938 California Institute of Technology- $52,506