Asrar ul Harmain

When Hazrat Shah Wali Allah r.a went to Makkah for performing Hajj, and when he was back to India he penned down a book known as Graces of Two Sanctuaries (Fayuz al Harmain), (Read Beautiful Quotes by Shah Wali Allah Dehlwi Here) this book contained the experiences of Shah Sahib during Hajj which he felt spiritually. Hazrat Allah Yar Khan, when went to Hajj, he wrote a book known as Secrets of Two Sanctuaries, following book. This book also contained spiritual experiences of Allah Yar Khan during Hajj, he also discussed the divine manners Islamic spirituals.