I've seen the trailer
I saw it last night when I final got my copy of Laaga Chunari Mein Daag: Journey of a woman. this looks like a really cute movie. I found the trailer on youtube this morning. If you haven't seen it just click the link below.
http://www.youtube.com/watch?v=NwxuKY24edU
and if your a big Hrithik Roshan Fan you'll like the beginning of the trailer.