New Mera Rab Waris OST Song Download Sahir Ali Bagga Pagalworld. New Pakistani Song Mera Rab Waris OST Sung By Sahir Ali Bagga Mp3 Download Free in Best Audio Formats of 128Kbps, 192Kbps and 320Kbps. The writer of 2022 Song Mera Rab Waris OST is Sahir Ali Bagga and music composed by Sahir Ali Bagga.