I also recently tried their Beetroot dosa mix. I think we messed up the way we were making the Dosas, so the end result looked more like a 'cheela' than a crispy dosa. But regardless of the outcome, the flavour and consistency of the batter was
They're well distributed, and you can find them at most modern trade stores. I shop their mixes from nature's soul (as it's closest to where I stay). You can order them online as well.
They have a range of products, but these are the 2 I've tried.