The record date for Motherson Sumi Systems bonus issue was fixed by the board of directors of Motherson Sumi Systems as Friday 31 August 2007. Motherson Sumi Systems which is a leading manufacturer of automobile ancilliaries is now trading cum bonus since the record date for the 1:2 bonus issue is already over. However, it might take upto 30 days for the bonus shares to be reflected in the demat account of investors.