Hindustan Zinc going all out to decrease water footprint - http://www.smetimes.in/smetimes/news/industry/2015/Feb/20/hindustan-zinc-going-all-ou... Published on March 17, 2015 15:02 by bob ted, Tech sourecs - MDHindustan Zinc going all out to decrease water footprint - http://www.smetimes.in/smetimes/news/industry/2015/Feb/20/hindustan-zinc-going-all-out-to-decrease-water-footprint708136.html#sthash.RTRWN4LK.dpuf