On the night of the 28th, pray 6 rak’ahs, reciting Surah Al-Fatihah once, Ayat al-Kursi 10 times, Surah Al-Kawthar 10 times, and Surah Al-Ikhlas 10 times.
After completing the prayer, send blessings upon the Prophet and his family 100 times, and you will be forgiven.