This is a classic song by the Great Tamil Poet Mahakavi Bharathi. The details of the song are as follows. Kaatru Veliyidal Kannamma Lyrics by Subramanya Bharathi from the Patriotic movie Kappallotiya Tamizhan - 1961 starring Sivaji Ganesan, Gemini Ganesan, Savithri, Muthulakshmi, Asokan, Sarangapani, S.V. Ranga Rao & S.V. Subbiah. Music G Ramanathan, Sung by P Susheela and PBS.