Answer
(Fatwa: 432/430=M)
According to a Hadith of Ibn Majah, the reward of one salah in Prophet’s mosque in
Apart from this, praying forty salah continuously in Masjid-un-Nabi (Prophet’s mosque) has virtues that this will be a source of salvation from punishment and hellfire and deliverance from Nifaq ((hypocrisy).
من صلی فی مسجدی اربعین صلاۃ لاتفوتہ صلاۃ کتب لہ براءۃ من النار و براءۃ من العذاب و براءۃ من النفاق۔ (مسند أحمد)
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband