Could you suggest good whole wheat flour brands? I don't have access to atta chakkis.

You can also purchase whole flours of all kinds from the website of Satopradhan Vision. Click here to visit their website. 

Satopradhan Vision is an online marketplace that provides resources you need in order to follow a Satvic lifestyle. You can order the purest quality of nuts, seeds, grains, sweeteners, jaggery, brown rice, and much more, directly from their website! It was started by two of our Satvic community members, as a way of serving the Satvic community.