The correct answer is "ബദ്ർ യുദ്ധദിവസം". This is because the question mentions that "യൗമുൽ ഫുർഖാൻ" is a day mentioned in the Quran, and out of the given options, "ബദ്ർ യുദ്ധദിവസം" is the only one that refers to a historical event known as the Battle of Badr, which is mentioned in the Quran.