I have applied in March,2009 and uptill now have recieved Medical Request.Its not normal as all have suggested that u havent herd nything from them,be quick in ur response cuzz if ur they have issued ur 120 days letter already and it is lost in Mail then u have little time left for submission of docs to local visa office.My 120 days was to expire on 6th August,2009.Be extremely quick in ur actions