How to use spotify in countries where it's not available

How to use spotify in countries where it's not available: Spotify’s integration in facebook is great. It enables you to stream music and share it with your friends. It even lets you listen songs with the people in your friendlist in realtime. Now spotify isn't yet available in many countries (like mine) and people are feeling that they have been left behind. Realising that only a handful of people in my friendlist are using spotify and many of my friends asking me about how I managed to get it to work I felt I should help them out. I searched hubpages before writing this tutorial and found, surprisingly, that there were no hubs related to this topic. So here it is.