>>>>>
enna than yuvan shankar raja johnny pada paatai uruvi 7G ku pottu per vangirunthalum
<<<<<

endha pAttayum uruvalai...he just had taken the love theme and used it in the theme score. While that motif was a note by note copy, the whole theme wasn't copied. There are more motifs in the 7G theme that (as far as I know ) are original.