PLEASE HELP WITH THIS: WHICH LATEST SONG'S LYRICS?

"HUM NE TUM KO PAYA HAI YA TUM NE HUM KO KHWAJA JI " a very melodious song i heard one day on radio, and my mom liked it . So i want this song for her, pl help. It started with some tara rum pum type of words, and uses repeatedly word JI........