State Bank of India — Mistreatment of customers by a bank manager.

Hi,
I am Gayatri from Hyderabad, a startup entrepreneur. Recently I went to a bank to get details of some business related loan. The bank manager over there instead of giving details, shouted, yelled and mistreated. He is not even ready to listen what I am saying. His intention is very clear that he wanna insult me. I am an educated female entrepreneur. If my case is like this, how about the case with illiterates? They are getting paid to serve public, instead they are showing their odd behaviour towards customers which is totally absurd. I don't wanna mention the branch address. But please make it a norm for every public servant to treat public with respect.