तुम नहीं जाना Tum Nahin Jaana Lyrics In Hindi- Duplicate तुम नहीं जाना Tum Nahin Jaana Song Lyrics In Hindi From Duplicate Movies sung by Alka Yagnik, Udit Narayan, Shankar Mahadevan. The Song is written by Javed Akhtar and composed by Anu Malik Music company Saregama. Read more