At an Indian gourmet food store, Avanti Mehta is organising a blind tasting of drinks sourced from France, Italy and India. No, this isn’t wine, it’s water. Participants use tiny shot glasses to check the minerality, carbonation and salinity in samples of Evian from the French Alps, Perrier from southern France, San Pellegrino from Italy and India’s Aava from the foothills of the Aravalli mountains. “They will all taste different … you should be choosing a water that can give you some sort of nutritional value,” said Mehta, who is 32 and calls herself India’s youngest water sommelier, a term usually associated with premium wine. Her family owns the Aava mineral water brand. Premium water is a $400 million business in the world’s most populous nation and is growing bigger as its wealthy see it as a new status symbol that fits in with a spreading wellness craze. Avanti Mehta, 32, India’s youngest water sommelier, talks about different brands of packaged water at “Sip and Sense”, a ...