Whats-app Broadcaster

Hi Folks . Hope You are doing Great ;) There is a requirement for you guys. I need a whats app broadcaster. As there is a limitation in the official app that we can messages IE broadcast message to 25 contact at once. But we need to extend that for unlimited or approx 10000 or above. You can find refrence ([login to view URL]). I dont mind that whether create a web app for this or and android app I want my requiremnt to done that is . :) For getting hired I want a demo that your app must be able to import contact from csv file and it should broadcast the messages as of now. This is only phase one and phase two will include send all kind of stuffs like video docs and like wise Please bid if you can do that with ease. and only indians Please Female developers from north India will be recommend first :)