This article talks about issuing Standard cards to the Owner ( main card holder ).
1. Login to Karbon Dashboard
2. Click on Team ( left side )
3. Click on the User to whom you want to issue a Cashback card
I selected "Sunil", the user owner to issue the card.
4. Click "Add a Card", select Standard card, click Submit and Done
The below link describes limits associated with Karbon Cards.