(Arabic)
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Allahumma aslih ummata Muhammadin
Allahumma arham ummata Muhammadin
Allahumma farrij’an ummati Muhammadin sallallahu alayhi wa sallem
(transliteration)
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O Allah! Rectify the ummah of Muhammad (صلى الله عليه وسلم)
O Allah! Have mercy on the ummah of Muhammad (صلى الله عليه وسلم)
O Allah! Grant ease from hardship to the ummah of Muhammad صلى الله عليه وسلم
(English translation)
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Towards Falah 
Meaning of Allahumma aslih ummata Muhammadin
Allahumma arham ummata Muhammadin
Allahumma farrij’an ummati Muhammadin sallallahu alayhi wa sallem in Urdu plz
I do not know Urdu but inshaallah I’ll try to find out for you.
Alhamdulillah, the post is now updated with the Urdu translation as provided by @ZHasan313 who requested it and Maulana @Abu_nauman sahib who translated it. Inshaallah, I should also note that @LoveDurood provided the screenshot of the Arabic from Qoot Al Quloob. JazakAllahu khayr to all who provided assistance and to the one who asked.
Any reference from whom this dua came from . thanks jajakallahu khair.
Perhaps the answer to your question is in Qoot Al Quloob (mentioned earlier). Wa iyyak.
Jaza’ak Allahu Khairan for ur services for the cause of spreading messages of Quran n Sunnah.