I want to create infographics in PowerPoint. Can anyone tell me how can I create it?

I assume by infographics, you mean bar charts and pie graphs.

You can find those shapes under smart art, and play around with them by experimenting.

How to Make Infographics with PowerPoint[U]

Step 1 : Create a portrait slide

Step 2 : Format the background for your infographic

Step 3 : Edit your title & subheading

Step 4 : Add new elements using smart art

Step 5 : Create unique elements using shapes and text boxes

Step 6 : Add original images to create complex elements

Step 7 : Optimize the layout of all your elements

Step 8 : Save your infographic

Hope this works!