The IT department typically sends postal notices to the address registered on your PAN card when it was initially applied for. While you can specify a different address in your Income Tax Return (ITR) without needing proof, most official communication is now handled electronically via the IT portal and email.
01 January 2020
Hello, To which address does IT dept send notices through post,is it the address which is given while applying for pan or the one mentioned in the latest IT return
26 May 2020
It is issue on your PAN Address as registered at the time of PAN Application. In ITR you can manually give other address as required and no documentary proof is required.
However now a day all communication is done via IT Portal and Email