From 15 September to 15 November 2012, you can enjoy 10% CashBack† on all Online Credit Card transactions (up to $50 CashBack for Visa Infinite, Visa Signature and World MasterCard and up to $40 CashBack for all other cards).
http://www.standardchartered.com.sg/promotion/cashback2/index.html
http://www.standardchartered.com.sg/promotion/cashback2/tnc.html