Attrition is a common problem across the industries and there could be company specific reasons. However, before conducting survey, you may do the attrition analysis. Earlier, I have given exhaustive reply about attrition analysis. Check the following link to refer it:
I recommend you doing analysis of the attrition and preparing action plan. Upload the action plan on this forum and some senior like me could suggest corrections.
24th January 2017 From India, Bangalore