The DÄsa are a tribe identified as the enemies of the Aryan tribes in the Rigveda. The word DÄsa, later acquired derogatory connotations, meaning 'servant', implying that they were subordinated by the Aryans.
Defence Analytical Services Agency. DASA was created in July 1992 and provides National Statistics on Defence and other corporate information, forecasting and planning and consultancy, advice and research services to the MOD.