The present disclosure relates to mobile payment systems and in particular to a system and method for using standard mobile phones to enable payment at a merchant’s system. The present invention provides a new, technically advanced and improved system and method that uses standard mobile phones to enable payment at a merchant’s Point-Of-Sale (POS) system. Further the system and method enables to generate POS/Merchant payment slips in real-time, on mobile phone, through Short Message Service (SMS) /Mobile/Internet banking/ATM.