Without their permission, yes.
yes
Yes, it can, unless the spouse's business is incorporated.
Yes, it is illegal to copy a bank debit card without authorization. Unauthorized duplication of a debit card can lead to identity theft, fraud, and financial losses for the cardholder. It is important to protect personal information and only use debit cards in a legal and responsible manner.
Don't do it. It's illegal.
If it is a joint account I would say none. You are married and spouses share things in a marrige.
It might not be illegal to "get" a credit card number but it would be to use it if you're not an authorized user. If you're not on the account then the provider has no obligation to provide you any information about it.
where is the roll no on a debit card
A common function of the debit card is as an ATM card.
no, it is a credit card. a mastercard can be either a debit or a credit card
Debit cards were introduced in 1977-1978. Master Charge, now called Master Card had a debit card called Signet. Visa's debit card was called Entree.
at the back of the debit card
The last four numbers on your card