New Delhi, May 5 -- Sigma Advanced Systems has secured fresh orders worth about Rs. 100 crore from the Ministry of Defence and associated defence PSUs. The contracts relate to ongoing strategic programmes across missile systems, naval platforms and airborne applications, under which Sigma will supply built-to-spec systems, control electronics and actuation solutions. The scope of work covers surface-to-air missile (SAM) programmes that support next generation air defence platforms, as well as anti-tank missile programmes involving critical built- to-spec electronics and flight control systems. Sigma will also contribute to new generation anti-radiation missile programmes through precision guidance systems, and to naval weapon systems, where...