The HDFC Gold Business Card for self employed people offers exclusive privileges on business allied spends made by the cardholders. The card brings cash back rewards 1% each, on air-tickets and utility bill payments. The card also offers surcharge waiver on railways and petrol expenses. Calculating cash rewards gains on your card You can calculate the cash rewards benefits you can draw on your credit card. For example, if you end up paying an average of Rs 25,000 credit card bill on monthly basis, then using an appropriate credit card, you can earn cash back on your card. Let us understand this with an illustration. Suppose your monthly expenses are as follows- | Monthly expenses # | | Item | Monthly Expense (In Rs.) | % of total expenses | | Petrol | 6000 | 13 | | Dining & restaurants | 2000 | 4 | | Air tickets | 23000 | 51 | | Railways | 8000 | 18 | | Telephone bills | 6000 | 13 | | Total | 45000 | | Table 1 |