Generally, the notion is taxation is on the selling and buying of cryptocurrency but mostly it's deducted only when transacted in INR or an Indian exchange where INR is withdrawable. You can avoid tax on crypto trading only if you are willing to do all your trading either on any offshore trading platform like Binance or something where TDS laws aren't applicable as of now, honestly not sure, they might even come in the future for Indians specifically. Another safer yet more complex option will be to use DEX instead of CEX. You won't have to do any KYC on these exchanges and honestly, your money isn't that easily traceable either. But no matter what you do if you want to redeem the money in INR you will always have to pay a tax on that. No choice at all.

PS: Obviously legally it's not allowed to do so & not a wise thing to do as well, so please DYOR.