Paxful...https://paxful.com/sell-bitcoin

It has lightening wallet support, so if you have a wallet that supports lightening network, maybe transaction fees will be low...

There are also places you can convert crypto to swap like https://changenow.io/

So convert your crypto to usdt then BTC... this site has segwit support. So if you have a segwit supporting wallet like ledger, trezor or electruc I think, you can transfer BTC cheaply.

I suggest try not to use CEX that too Indian CEX...

Convert your crypto using platforms like change.now, there are more and I found them from hive.io site... after that convert to BTC then use paxful to liquidate it to INR.

remember...to keep proper accounts of your transacctions though... because tax stuff, you can install vpn too, recommend it.

Learn to use Bitcoin segwit... you just need a wallet that supports it.

Also there is another P2P excchange https://agoradesk.com/... explore them, these are safe.

Although you have to be careful.

You can ping me at discord, i will share information I know.