Add custom field in IW31/IW32 components tab or general tab of components tab

Can any one suggest how to add custom field in IW31/IW32 components tab or general tab of components tab.

I do not want new tab in IW31/32 but for each component.

K Jogeswara Rao - I see you are master in this area hence tagging you. Any help will me greatly appriciated.