Enabling Currency Conversion Of a E-Commerce Store with respect to Client's Location Based On IP

Normally the store is exposed in one currency as default [say USD]. But a client [say from India ] using our E-commerce store to purchase some items. In such scenerio the client may  feel discomfort to view all items in USD. So,In this tutorial i embeded location based currency conversion,that will show the approximate value according to client's location i.e. Price of item/products in INR.In Other Words , displaying the price of item/product with respect to client location based on Public IP.

 
PDF LINK : https://drive.google.com/file/d/0B_Jho-K3lSOfRE9NeDlhcUQ1Q28/edit?usp=sharing