I can't figure out this song!! PLEASE HELP!!!!!!!!!!!!!!!?

So I saw this video on TV, and there was a song that was amazing, i saw it on Indus Music, in the video there is a girl she is in the water and she is singing and the guy is standing on the land, the lyrics go Sun thi hai Fizaan mehki hai tanhiye those are the only lyrics I remember, but she is in the water wearing a pink dress, it was very artistic, please let me know if you know which song this is