It is in the book titled Jamokhee Wa Gayra that when the moon of Rabi` Al-Thani is sited then in that (i.e. that night) after Maghrib Salah read 8 rakat Nafl (vouluntary prayer) in two, two rakats and after Surah Fatiha in the first rakat read Surah Koser 3 times and in the second rakat read Surah Kafiroon 3 times or instead only read Surah Ikhlas 3 times in each rakat. There is great reward for it.
It is in the book titled Jwahray Gaybee that on the 1st, 15th and 21st dates of the month of Rabi` Al-Thani read 4 rakahs Nafl (voluntary prayer) and in each rakat after Surah Fatiha read Surah Ikhlas 5 times. For that person 1000 good deeds are written and 1000 bad deeds are removed and 4 Hurray are born.
