Vidya Lakshmi — Not able to apply for education loan

I was trying to apply for education loan of 4 lakh for my son who is pursuing graduation in B.Tech CSE. But i wasn't able to because it was not accepting anual income above 4.5 Lakh as my anual incom is 9lakh and hence i am facing difficulty. Please show me th path as to how to apply for this loan. Please reply as soon as possible.