ज़रा सी दोस्ती Zara Si Dosti Lyrics In Hindi – Happy Bhag Jayegi ज़रा सी दोस्ती Zara Si Dosti Song Lyrics In Hindi From Happy Bhag Jayegi Movies sung by Arijit Singh. The Song is written by Mudassar Aziz and composed by Sohail Sen Music company Eros. Read more