A Google search about Ghulam Mustafa Qadri reveals that he is a melodious voiced kid from Karachi, Pakistan who became famous in no time by singing ghazals/naats. However, he is now a young man and some of his notable naats are :
Jagha Ji Lagane ki Duniya Nhi Hai ,
Haal e Dil ,
Sayyed Ul Ambiya Khatam Ul Mursaleen ,
Hara Gumbad Jo Dekhoge Zamana Bhool Jaoge
And Mere Sarkar Meri Baat