Is it possible to buy stocks in INR and sell them in USD?

It is not possible, the exchanges in India authorized to do transaction in INR only. Some of the ETFs are allowed across many nations to buy in USD, however you have to sell them in USD only.

As an exception you can buy Currencies over Global platforms like Pulse500. You can trade in any currency around the world. Pulse500 is a UK based firm Plus500UK Ltd which is authorized and regulated by the Financial Conduct Authority of UK.

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