 तदेतच्छिन्तयानेन स्मृतं पापं मया स्वयम्।तदा बाल्यात्कृतं देवि शब्दवेध्यनुशिक्षिणा।। 
  While reflecting about it now, O Devi Kausalya I recollect this sin committed by me unintentionally, with childish pranks while practising the art of hitting a target by its sound. 