Observe fasting
Perform Ghusl
Numerous prayers have been reported in “Iqbal Aamal” with significant rewards :-
i) Two Rakat with Suraq Hamd & 3 times Sura Ikhlass in each & then say

اللهم هذا عهدي عندك إلی یوم القیامة،

Allhumma HadhaAhadi indak ila Yawmal qiyama"

"O My God this is my covenant with you until resurrection day "

ii)Twelve rakaats with the recitation of Sura Ikhlass fifteen times after the recitation of the Suraq Hamd. in each rakat
iii)Fast for first 3 days & in each night recite 2 Rakat with Suraq Hamd & Sura Ikhlass 11 times Sayyid ibn Tawoos has reported from the Holy Messenger (saw) that a person who fasts on the first three days of this month and on their eve recites this will be greatly rewarded.

It is a day of great excellence and it has been reported from Ja’far Sadiq (as) that whoever fasts on that day is assured of Heaven.