Find out which of your friends still have the old currency note and how much!

As you all know, the old 1000 and 500 currency notes are banned in India by Narendra Modi in the vision of demonetisation and to reduce black money! But one of your friends is still having enormous amount of 500s and 1000s without knowing what to do it! Find out who is it and how much they have? and also give them an idea what to do with it!