Which Surah of the Holy Quran is famously known as the ‘Heart of the Quran’ (Qalb-ul-Quran)?

Explanation

Surah Yaseen (Chapter 36) is referred to as the ‘Heart of the Quran’ based on a well-known narration highlighting its profound spiritual benefits and focus on Tawheed, Risalat, and Akhirah. For comparative reference in competitive tests: Surah Al-Fatiha is called ‘Umm-ul-Quran’, Surah Ar-Rahman is known as ‘Aroos-ul-Quran’, and Surah Al-Ikhlas is equivalent to one-third of the Quran in reward.