Naunihal was a 1967 Hindi drama film directed by Raj Marbros and starring Sanjeev Kumar, Balraj Sahni, and Indrani Mukherjee in lead roles. Films music was composed by Madan Mohan with lyrics by Kaifi Azmi, included the song Meri Aawaz Suno Pyar ka Raaz Suno Hear my voice, hear the secret of love sung by Mohammad Rafi. The song is picturized over the funeral procession of Prime Minister of India, Jawahar Lal Nehru.
Source: Wikipedia