Harjai is a romantic song which is sung by Maniesh Paul, Iulia Vantur and Sachin Gupta. It's the first time that C9 introduced Maniesh with his single and accompanying him is Iulia Vantur who is a Romanian but has sung this romantic song in Hindi beautifully. the song also features Sachin Gupta of Doori fame. Maniesh, a popular face in Indian film and television, who is known for his quick wit, carves out a new niche for himself with his new song Harjai. The song is produced by Vevek Paul, the founder of C9 and , Sangeeta Manjreakar and is being presented by T Series. Both Iulia and Maniesh also feature in the beautifully shot video of the song which is directed by Shabina Khan. The song is penned by Sachin Gupta who is also the music director of the song.