Rex's song- Anybody Noe-Plz Help Me

Hey anyone noe wat movies was tha song from dat Rex was singing? Somthin like this:

Tarap Tarap ke iss dil mein,

iss ahaat ki lagi,

kisko saza di pyar ka aisa kyun gunah kiya

Hain loot gaye, hain loot gaye

Hain loot gaye hum tere mohabbat mein.

It goes something like dat. it was in yesterday's episode, anybody noe wat movie it was from? plz help me! I forgot!😭😭😭