How do you make withdrawals of Bitcoins from the wallet or exchange to credit into a bank account to obtain fiat currency, preferably to credit into any Asian bank account. Which wallets, exchanges will allow for this type of transaction. Does Bitcoin.com allow this.
You would typically use a service that accepts bitcoin in and can pay out fiat to a legacy banking system, for example (in Europe) an exchange such as Bitstamp or Kraken. I have no direct experience of any Asia-focused services to be able to offer an opinion. Depending on where you are located, you can also take advantage of a two-way bitcoin ATM,
some of which you can find via this link.
Or perhaps you could try something like
Local Bitcoin Cash or
Local Bitcoins as another option*.
* Dammit, I should have used an affiliate link!