Indian student fees to study undergrad in USA

I am a student in 12th grade in India. I am an aspiring physicist and i dream of going to Caltech. I have taken the SAT once, i got a 1500 and will take it once more. Sat math 2 - 800, SAT Physics - 800, AP Calculus BC - 5, AP Physics C:Mechanics- 5, AP Physics C: Electricity and Magnetism - 5, IELTS - 8, A grade in Indian high school. I have good enough extra curriculars, International awards in maths and science olympiads. I really want to go to a good college, but my parents cannot afford it. I am Yugam Vora from a small town called Surendranagar in Gujarat, you can mail me at yjv2508@gmail.com or contact me on +919429099755 if you feel like you can help in any other way.