Are you an Indian citizen, or a resident of India?
In any case, if you don’t qualify for aid at colleges that offer need-based aid, it means your family makes MANY MANY times the average Indian salary.
Some colleges offer need-based aid to their top international applicants.
Other colleges offer merit-based aid, often based on test scores, to their best applicants or to all their applicants to reach a certain target score.
Your question and OP come off as whiny so that explains the responses rather abrupt responses.
Americans don’t like “whiny” people - oh poor me, what has fate handed me, etc. They’re “can do” people who believe in individual actions, not in destiny and fate. It’s an important cultural fact you have to understand if you want to function here. 
The key question is: what is your parents’ budget, per year, for your studies?
Have you taken either the SAT + subject tests, or the ACT?
– what do you have beside SAT 2180?
Can you list your IGCSE results + predicted A Level results?