Actually its Delhi if you look at the democratic spread data - Sikhs dominate in Delhi region.
Stick it in Switzerland or in ths case- AJK across the border,
e-banking, China, Afghanistan and pakistan and even Kahlistan is awash with US Dollars, espeically from the Diaspora,
and use other ASEAN countries for clearing accounts, free market!
UK Kashmiri diaspora turned AJK into Switzerland....
Which Indian Union politician has he front to face the US and say not to a a digital USD bank - or chinese Wepay
The US would rush to approve the bank- especially the current admionistration...
in fact he would do it via twitter and make it done !
You forget corporations like financial institutions are multinational - t
It is practial since they can also use other forms of currency and money outside of the Indian Union Rupee.
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https://www.bbc.co.uk/news/magazine-17156238
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In short where there is a will there is a way .....