Film: Salakhain (iron bars)
Song: Tere Mere Pyar Ka Aisa Nata Hai (your love and my love has such a connection)
Singer: Mehdi Hassan
Actors: Mohd Ali and others
Year: 1977
Language: Urdu
Country: Pakistan

This song was copied twice by our enemy India's Bollywood. Once in the 1980s and recently this year.
The song means:-
"Your love and my love has such connection
That when I see your face, my heart is at peace"