It is the card where the Issuer is tied up with any social service group (some orphanage, old-age home, CRY, etc.,) and for every transaction/s, certain % will be donated to the group.

It is the additional card offered to the relatives of customer card and for every transaction/s, certain points will be awarded.

It is the promotional card offered to a customer with good behavior history

It is the card where the Issuer is tied up with any other branded firms, through which every body get benefitted (ICICI Big Bazaar card, Citibank Indian Oil card, etc.)