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I see that taxing cryptos has one good pro here i.e. it can be said that cryptocurrency is legal in India or maybe?
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Is there any possible way to legally avoid the taxations?
The government having crypto tax laws in place
does not explicitly mean using crypto is legal. The Marihuana Tax Act of 1937 enacted in the US comes to mind - if one brought 'product' to IRS building in Washington DC you could obtain a Tax stamp for it and only then - be legally able to possess/use what you brought & declared to the IRS. Problem was that of course growing & then transporting it to Washington to get a Tax stamp WAS highly illegal so....
That said, India now starting to have crypto tax laws & regulations on the books should certainly be a good start to allowing its use.
As for legally avoiding the taxes using possible loopholes - all depends on how the laws are worded and how they will be interpreted by the courts.