On each friday after zuhr namaaz, one should recite the verse 9 of Surah Al Imran 313 times and before and after you should also read Durood Ibrahimi 7 times, inshallah you will get a good marriage proposal. This wazifa is especially meant to be read if you are not getting married due to unknown reasons, there aren’t any specific reasons.
رَبَّنَا إِنَّكَ جَامِعُ النَّاسِ لِيَوْمٍ لَا رَيْبَ فِيهِ
ۚ إِنَّ اللَّـهَ لَا يُخْلِفُ الْمِيعَادَ
The meaning of the above verse is:
Our Lord! Thou art He that will gather mankind together against a day about which there is no doubt. For Allah never fails in his promise.
Just believe in Allah, have faith and trust and read the above verses, inshallah you will be get married, Ameen
Islamic Duas and Supplications 