(A.S.) that whoever goes to the grave of a believer brother, places his hand on it and recites Surah-al-Qadr seven times, Allah will keep him away from the troubles of Qayamat. In another tradition it is narrated that while reciting Surah-al- Qadr on the grave, one should turn towards the Qibla and dig one's fingers in the mud (of the grave).
I have seen in the "Majmu'ah" of Shaheede Saani that when he went to the grave of his teacher Fakhrul Muhaqqeqeen, he said that the buried person (Fakhrul Muhaqqeqeen) related from his father (Allamah Hilli) who related from Imam Ali-ar-Reza (A.S.) who said that whoever goes to the grave of his brother believer and after
reciting Surah-al-Qadr recites the following du'a, both the dead person as well as the person reciting it will be safe from the fear of Qayamat.
اللهم جاف الارض عن جنوبهم وصاعد اليك ارواحهم وزدهم
منك رضواناً واسكن الهيم من رحمتك ما تصل به وحدتهم وتؤنس وحشتهم انك على كل شيء قدير.
The Trumpet of Israfeel (Soore Israfeel).
When Almighty Allah will intend to bring forth Qayamat, He will order Israfeel to blow the trumpet (Soor). The trumpet is large and illuminated, and has one mouth
piece and two tubes, one pointing towards the earth and