Trailers :-3G vs Aatma vs Ek thi Daayan

[YOUTUBE]http://www.youtube.com/watch?v=EJMRk9CTbBY[/YOUTUBE]
[YOUTUBE]http://www.youtube.com/watch?v=-pNmFaxQxdg[/YOUTUBE]
[YOUTUBE]http://www.youtube.com/watch?v=UN5Ss-EV_qc[/YOUTUBE]

These 3 movies are upcoming releases in horror genre ..In Bollywood there are hardly few good horror movies made..But among these 3 which one is the most impressive when it comes to trailer