The song is called "Pyaar Do Pyaar Lo". The lyrics you're referring to are actually a part of the song's chorus, where the phrase "Allah Hafiz" is repeated.
Here's a breakdown of the lyrics you're probably thinking of:
"Pyaar Do Pyaar Lo" Chorus:
* "Pyaar Do Pyaar Lo, Allah Hafiz, Allah Hafiz" (Give love, take love, Allah Hafiz, Allah Hafiz)
The phrase "Allah Hafiz" is an Arabic expression used for goodbye, similar to "God bless you" in English. In the context of the song, it's used playfully, adding a touch of humor and adding to the overall carefree and lively vibe of the song.
This song is known for its catchy melody, energetic choreography, and the vibrant on-screen performances of the actors. It was sung by Sunidhi Chauhan and Neeraj Shridhar.