The lead investor in the round was Anicut Capital and it was co-led by Rocketship.vc and Speciale Invest.
While there could be many challenges to scaling this technology and getting this anywhere close to mass market, what I like about their approach is that they are beginning with B2B sector, and focussing on beverages firms such as AB InBev & Radico Khaitan, sectors for which a "renewable water" stamp can perhaps make a difference, and segments that also perhaps can afford such experimentation!