Shab-e-Baraat (Laylatul Nifsul Shaban) is the night when Allah the Almighty arranges the affairs of the following year. It is a night of worship and prayers for all Muslims.
Nawafil prayers for Shab-e-Baraat1. Read 6 rakaat Nafl prayer (2+2+2), after Magrib. After every two rakaats read Surah Yaseen once. This special prayer, by the blessing of Allah Almighty, will give you a healthy and prosperous life for the whole year.
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2. Read 12 rakaat nafl prayer, in each rakaat read:
Surah Fatiha (Alhamdo) : once
Surah Iklas: 10 times.
Afterwards read:
3rd Kalima : 10 times
4th Kalima : 10 times
Darood Sharif : 100 times
Third Kalima Tamjeed (Exaltation)

Fourth Kalima Tawheed (Oneness)

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3. Read 8 rakaat nafl prayer with one salaam. In each rakaat read
Surah Fatiha : once
Surah Iklas : 11 times
Hazrat Fatima (May Allah be pleased with her) is reported to have said that whoever will observe this prayer, on Shab-e-Baraat and will present its reward (sawab) to my soul, I will strongly recommend for his/her forgiveness to Allah Almighty before I enter the heavens.
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4. The Prophet (Peace Be Upon Him) used to read this dua abundantly on this night, we should do the same:
Allahumma inni al-aloka afwa wal afiyata wal muafatad-daimata fid dunya wal akhirah
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5. Read 100 rakaat naflt prayer reciting in each rakaat reciting :
Surah Fatiha : Once
Surah Iklas : 10 times
The person observing this prayer on Shab-e-Baraat will have tremedous blessings from Allah Almighty and his/her prayers will be answered and will be made free from the fire of hell and will go to paradise.