Top up with Credit Card or eNetsOne of the thing in this service I like is logging in to account just require your Singtel Number.
First of all visit www.singtel.com/hi and just enter your number in "Quick Top Up" and click on Top up now.
Singtel bring you to an interface where Click on TOP UP NOW as shown above
Enter the number in which you want to top up the balance
There are several top up offers were given select preferred one and move forward for payment.
Select payment options: Credit Card or Enets Internet Banking.
Fill the detail related to Credit Card type, name on card, expiry date, and code on back of the card.
After giving credit card details and processing. A message will be shown ones the top up is successfully purchased. Enjoy your singtel connection, if you don't want to repeat the procedure again and again try Singtel Automated top up option.