what is the main source of income for banks

the main source of income is mainly what they get from people as deposits. as people dont need money everyday on the spot they keep only 15% ready with them else money is used for countering loans for the needy ones.

The main source of income for banks is interest. Generally, a bank pays out lower interests on deposits than it receives on loans. Banks also charge fees for other services such as account charges and pool deposits then invest.