Levy in India one of the highest in the world; finance minister urges banks to tell customers not to invest in the metal.
Jewellers sold huge quantities of precious ornaments at a premium of up to 50%.
The coins can have the face and names of the owner embossed on them.
In dollar terms, however, gold prices jumped by 26 per cent this calendar year, following sharp jump in hedge funds' long position
The poor deployment of WLATMs has tripped what the central bank sought to achieve back in 2012.
Demand bounces back but uncertainty over GST rate for jewellery casts a shadow over future.
Dealers anticipated a sharp rise in jewellery demand this wedding season, but then came demonetisation.