select distinct substring(name,1,1) from stamps ,color_master,np_master where color_master.color_code=stamps.color_code and color_master.color='Olive green and Grey' and np_master.np_code=stamps.np_code and np_master.np='R' and year(stamps.issue_date)=1977 order by substring(name,1,1)
IndianPost
Color >> Olive green and Grey >> Currency >> R >> Issue Date >> year >> 1977 >> Alpha >> D >>