Def Sec RK Mathur(left) DG DRDO Avinash Chander (IInd form left) COAS Air Chief Marshal Arup Raha (IIrd form Left) COASGeneral Dalbir Singh(Center) CNS Admiral RK Dhowan (IIrd form right) RRM Rao Inderjit Singh (IInd from Right) and RM Arun Jaitley (Right) layingthe foundation stone of Nau Sena Bhawan in New Delhi.