The pair of Mahira Khan and Humayun Saeed gained fame from the movie ‘Ban Roy’: Photo: File Karachi: Humayun Saeed and Mahira Khan, who rose to fame from the Lollywood film ‘Ban Roy’, have started shooting for their new film ‘Love Guru’. According to media reports, Mahira Khan and Humayun Saeed will also star in the film ‘Love Guru’ directed…