In this paper, the authors present secured online transaction system with one time password facility. \"Hi-tech mound\" means the next step towards the technology. This system has tried to change the manual process of banking to e-banking system. This is the next step towards the technology use in core sectors like banking. System has used RSA algorithm for encryption of password to send to mobile. For each transaction the new password will be generated. The encrypted password will be sent to the mobile to make password more secure.