Prophets عَلَيْهِمُ السَّلَام and Awliya gave the glad tidings of his sainthood before he was born.

1. The Holy Prophet صَلَّى اللهُ عَلَيْهِ وَاٰلِهٖ وَسَلَّم gave the glad tidings of his birth

The father of Shaykh ‘Abdul Qaadir Jeelani, Sayyid Abu Saleh Musa Jangi Dost رَحْمَةُ اللهِ عَلَيْه saw on the night of the birth of Ghaus-e-Pak that the Holy Prophet  صَلَّى اللهُ عَلَيْهِ وَاٰلِهٖ وَسَلَّم was present in his house along with his blessed companions    رَضِىَ الـلّٰـهُ عَـنْهُم and Noble Awliya رَحِمَهُمُ الـلّٰـه and they gave him glad tidings by addressing him with the following words: O Abu Saleh! Allah Almighty has granted you such a child who is a Saint, He is my beloved as well as the beloved of Allah Almighty. His rank amongst the Awliya and Aqtaab is like my rank amongst the Prophets and Messengers عَلَيْهِمُ السَّلَام.

(Seerat Ghaus-us-Saqalain, pp. 55)

2. Glad tidings given by the Noble Prophets

The Father of Ghaus-e-A’zam رَحْمَةُ اللهِ عَلَيْه was also given glad tidings by all the Prophets عَلَيْهِمُ السَّلَام that all Awliya will be obedient to your son and your son’s foot will be on their necks. (Seerat Ghaus-us-Saqalain, pp. 55)

Many Awliya who preceded Ghaus-e-A’zam رَحْمَةُ اللهِ عَلَيْه gave glad tidings of His arrival.

3. Glad tidings given by Sayyiduna Hasan Basri رَحْمَةُ اللهِ عَلَيْه

Sayyiduna Hasan Basri رَحْمَةُ اللهِ عَلَيْه mentioned in detail from his era until the era of Shaykh ‘Abdul Qaadir Jeelani رَحْمَةُ اللهِ عَلَيْه that all the Awliya who have passed gave news about the arrival of Shaykh ‘Abdul Qaadir Jeelani. (Seerat Ghaus-us-Saqalain, pp. 58)

4. Glad tiding given by Shaykh Abu Bakr Huwaar رَحْمَةُ اللهِ عَلَيْه

Likewise, Shaykh Abu Bakr Bin Huwaar رَحْمَةُ اللهِ عَلَيْه once said to his disciples: Very soon, an ‘Ajami from Iraq who will have a high rank in the court of Allah Almighty and amongst the people and whose name is ‘Abdul Qaadir will take up residence in Baghdad. He will announce ‘قَدَمِیْ ھٰذِہٖ عَلٰی رَقَبَۃِ کُلِّ وَلِیِّ اللّٰہِ’ (This foot of