Have you appealed your financial aid decision to Purdue? The basis of your appeal would be that your family’s financial status has changed for the worse. With the economic impact of the coronavirus, this is probably a common problem. Unfortunately, the fact that this is common does not mean that universities have the financial ability to fix it.
If you do appeal your financial aid offer, you should be sure to remain calm and respectful at all times. Remember that the person that you talk to probably does not have the ability to fix the problem, but can only listen to what you say and take it back to other people. Also remember that they are getting a lot of requests such as this right now and they are in a bit of a tough position also. Financial aid is probably the one place where it would be acceptable for your parents to call if you do not feel comfortable – the assumption is that the parents are the ones who are going to pay.
Do you have affordable options in India?