I don't think you read the whole thing. The statement said "i use for domestic purpose they said as per RBI rules need to block the card, and reapply it again". Apparently changing immigration status meant they had to reapply for it. Not that the bank denied them a card.

Also:
https://www.icicibank.com/nri-bankin...ard/index.page
https://www.kotak.com/en/personal-ba...dit-cards.html
https://www.yesbank.in/personal-bank...i/credit-cards
https://www.hdfcbank.com/nri-banking...anking/classic