How to get high PA/DA Backlinks

please tell me how to build high DA/PA Backlinks....

By doing quality submissions

Create account on these sites which are mentioned below

https://www.instapaper.com/
https://envato.com/
https://www.rebelmouse.com/
https://aboutus.com/
https://www.pearltrees.com/

All these sites will help you to increase the backlink of your domain.

By doing quality submissions

you are doing quality submissions

Vary and balance the sources of links
Carefully select your referring sites