Yeh Kaun Aaya Roshan Ho Gai Mahfil Lyrics (ये कौन आया रोशन हो गई महफ़िल Lyrics in Hindi): The song is sung by Lata Mangeshkar, and has music by Naushad while Majrooh Sultanpuri has written the Yeh Kaun Aaya Roshan Ho Gai Mahfil Lyrics. The music video of the Yeh Kaun Aaya Roshan Ho Gai Mahfil song is directed by C.V. Sridhar , and it features Rajendra Kumar, Simi, Veena, David, Sanjeev Kumar, Vyjayantimala, Phari Sanyal, and Ram Mohan.