To get investment from investors is a difficult task.
It require a lot of patience and dedication and a belief that you can do and achieve your goal but at the same time you should learn everytime you get your startup rejected by investor for investing and amend any porthole in your idea visible to you.
There are different ways in which you can attract investors to your startup.
Bu before that you should know one thing if someone is investing in your business it is because they want profit from it and if you can't offer it then you will be rejected each time.
Further, here are some few things
1). Make a perfect pitch deck.
2). Make a perfect slide to present to your investors.
3). Have some nice traction from the market.
5). Get some reviews From your targeted audience either on your social media page or directly through survey.
6). Make some charts and graphs in your slideshow to make your presentation more attractive.