Dhak Dhak Karne Laga from Beta is copied from the song Abbanee Tiyyani from the movie Jagadeka Veerudu Atiloka Sundari. The music director were Anand Milind. Here is the song Dhak Dhak Karne Laga from Beta starring Anil Kapoor, Madhuri Dixit which was a big hit.
And here is the original song Abbanee Tiyyani from the Telugu movie Jagadeka Veerudu Atiloka Sundari starring Chiranjeevi and Sridevi. The music director was Ilaiyaraaja.