KARACHI: The much talked about Dawn Films and IMGC’s first star-studded movie, ‘Saat Din Mohabbat In’ has gone on-floor recently in Karachi after successful rehearsals throughout July. The film will star the gorgeous Mahira Khan, alongside the Sheheryar Munawar in leading roles, and will be their second film together after the 2016 blockbuster ‘Ho Mann Jahaan.’ This film will mark …