I am very confident about my business but I need to do something within October 1. So I am looking for an investor who could inject $15000 into my business..in return I can give $25000 in 3 years. But I am not familiar with the process or whether I will get on such an urgent basis.
Usually, there are local associations of angel investors that help businesses like this.
Look out in Angel List, or just google them.
The best bet is to find them in your city/country where you live.
Best of luck...
There are some angel investor associations in your region. It would be advisable to contact them to ask if you can present in one of their meetings.