Stocking-up: A study by the World Gold Council, 'India: Heart of Gold', states Indian households hold the largest stock of gold in the world at 18,000 tonnes. Gold purchases in India accounted for 32 per cent of the global total in 2010.The consumer demand for gold is estimated to touch 1,200 tonnes, at a value of Rs 2500 billion, by 2020, from 963 tonnes (Rs 1700 billion) in 2010, fuelled by GDP growth, rapid urbanisation, emergence of strong middle class, andincreased savings and income levels. - K. K. Mustafah