Indian singer Benny Dayal , who had heard the duo 's vocals after sound testing for a Kannada film , put the duo in contact with A. R. Rahman , who recorded with them the soundtrack " Irumbile Oru Irudhaiyam " in the 2010 film '' Enthiran '' . The duo also wrote the English lyrics for the song . Rahman later had them contribute to " Semmozhiyaana Thamizh Mozhiyaam " , the theme song of the World Classical Tamil Conference 2010 . Lady Kash and Krissy , along with Shreya Ghoshal , sang " Dochey " , composed by Rahman for the Telugu film '' Puli ''
World Classical Tamil Conference 2010
World Classical Tamil Conference 2010
Lady Kash and Krissy