source https://m.facebook.com/story.php?story_fbid=1603277976553434&id=1495988390615727&refid=17 Mi 4 64GB open sale starts from 28th march 2 pm no registration required product link http://www.flipkart.com/mi4-64-gb/p...64gb&ref=8eb223de-5a65-4f59-9389-d4e183899105