A version I scanned from the back of an old Urdu teaching book:

A unicode-generated version, courtesy of Hamza, Feb. 2006:

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*A version in Naskh script*
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The words were composed by by Hafiz Jalandhari.
The source of "Pakistan": P(unjab) A(fghan, meaning NWFP) K(ashmir) S(ind) (Balochis)TAN