depends on which version you are looking for: the 2010 romantic comedy starring Dhanush or the 1958 classic starring Sivaji Ganesan.
Check (r/tamil, r/kollywood). Some fans share subs for older/popular films. Search: "Uthama Puthiran" english srt file uthama puthiran english subtitles
The music for the film was composed by Vijay Antony, with hits like and "Ussumu Laresay" . depends on which version you are looking for: