"In the short term, we believe GST may pose challenges for the industry. Small-scale artisans and retailers with varying degrees of tax compliance may struggle to adapt," WGC Director, Market Intelligence, Alistair Hewitt said in the fourth issue of magazine 'Gold Investor'.
He said on June 3, the GST Council announced a 3 per cent rate for gold bullion and jewellery.
"Our econometric research into data spanning 26 years indicates the tax may pose a headwind to gold demand, because it pushes up the overall tax rate consumers face," he said.
Despite these possible obstacles, Hewitt said WGC believed demand is unlikely to go down further, after falling so sharply last year.
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The gradual remonetisation of the economy, the bumper crop after a good monsoon and the Central government employees and pensioners' inflation-busting wage hike can support economic growth in 2017, he said.
All these factors should boost India's economic growth and support gold demand, he added.
Hewitt, however, said in the long-term GST will have a positive effect on India's economy and its gold industry.
"GST should eliminate double taxation and improve supply chain efficiencies. It can make the gold industry more transparent which, coupled with recent hallmarking legislation, should ensure buyers have confidence in the gold products they buy, rather than continuing to suffer from the gross level of under-carating they have previously endured."
"Over time, however, we anticipate that economic growth should push demand higher. By 2020, we see Indian consumers buying between 850-950 tonnes of gold," he added.