Prime Minister Narendra Modi and Defence Minister Manohar Parrikar have lauded the efforts of the DRDO and all the scientists for successful test firing of Exo-Atmospheric Interceptor Missile. <br/><br/>An official release said, with this commendable scientific achievement, India has crossed an important milestone in building its overall capability towards enhanced security against incoming ballistic missile threats. <br/><br/>The country has entered an exclusive club of four nations with developing capabilities to secure its skies and cities against hostile threats.