Islamabad [Pakistan], January 28 (ANI): Iconic Pakistani playback and Qawwali singer Rahat Fateh Ali Khan, apologised on Saturday and owned a video circulating online of him beating his student after it sparked online furore at his behaviour. On Saturday, a video surfacing on social media showed the artist resorting to physical aggression, using shoes and slapping the employee over a missing “bottle”. Netizens reacted strongly to the singer’s video. As per Dawn, an apologetic video was published later, in which the singer justified it as a “personal matter between a teacher and his student” an…