You can perform this wazifa between 1-14 of Hijri Calendar only. This wazifa should be performed continuously for 7 days at same place and at the same time. Like, if you are performing in Fajr then do this for 7 days in Fajr only, if after Isha salaat then after Isha salaat only.

Recite Durood-e-Ibraheemi 7 times.
Recite upto 1st Mubeen verse 12 then stop

Again start Yaseen Shareef from the beginning up to
2nd Mubeen verse 17 then stop

Again start Yaseen Shareef from the beginning up to
3rd Mubeen verse 24 then stop

Again start Yaseen Shareef from the beginning up to
4rth Mubeen verse 47 then stop

Again start Yaseen Shareef from the beginning up to
5th Mubeen verse 60 then stop

Again start Yaseen Shareef from the beginning up to
6th Mubeen verse 69 then stop

Again start Yaseen Shareef from the beginning up to
7th Mubeen verse 77 then stop

Once you do this, finally recite the whole Surah Yaseen once again normally, without repeating any Mubeen till the end.

Recite Durood-e-Ibraheemi 7 times.

Then make a dua:

Offer isaal-e-sawab to Beloved Prophet Muhammad (Sallalahu Alayhe Wa Alehi Wasallam), then to His Family, to His Companions, to all Wali Allah, then to all Muslims who passed away. I request you to remember Al Imran and his Marhoom Nanajan ‘Fateh Muhammad’ Saheb, that May Allah Azzawajal forgive all his sins, fill His Qabr with Noor, make easy the way of Pul Siraat and grant him Jannah. Ameen Ya Rabbul Alameen.

Then pray for your desire with crying eyes in front of Allah Azzawajal.
Do this on each day till seven days.
Insha Allah your desire (Jayaz Haajat) will be fulfilled.

Note- Should not be done for any Najayaz Haajat.