Singer Rahat Fateh Ali Khan said that he did not know that the song he has sung in Sultan was previously recorded by Arijit Singh. Recently, Arijit wrote a sorry note on social media, in which he requested Salman not to remove his song that he has sun in his movie. According to the report, 'Jag Ghoomiya' was first sung by Arijit Singh, but later it was recording in Rahat's voice. When Rahat was asked about it, then he said, 'First, I was not aware it that it was sung by someone else, I came and gave my voice. After that what happened, I don't know.