The Delight points that you have collected on your IDBI Bank card are valid for a period of 3 years from the date of issue of the points. To redeem your delight points, call the customer care service or log on to your IDBI Credit Card Net Banking account. You can get lifestyle products and cashback on your reward points. For every Delight Point that you have earned, you get cash back worth 0.25paisa. For cash back redemption, you need a minimum of 1000 reward points.