select distinct substring(name,1,1) from stamps ,color_master,np_master where np_master.np_code=stamps.np_code and np_master.np='P' and color_master.color_code=stamps.color_code and color_master.color='Blue Grey and Monastral Blue' and year(stamps.issue_date)=1967 order by substring(name,1,1)
StampsIndia
Currency >> P >> Color >> Blue Grey and Monastral Blue >> Issue Date >> year >> 1967 >> Alpha >> D >>