Oosaravelli 2 Songs Copied 1 is Hindi Song another is Tamil Songs See Those Here

Niharika song is not totally copied only starting of the song only copied
Dhandiya song as it is copied
but venghai (tamil Movie) DSP gave music for this film so no prob.

Here Is Oosaravelli "Niharika" Song 

Original song "Tere Bina" From Kal Kisne Dekha (2009) 

Dandi Song

 Original Song "Pudikale Pudikudhu" From Venghai (2011)