Electronics Corporation of India Limited (ECIL; ) is a Miniratna Category-I[2] public sector enterprise under the Department of Atomic Energy, established on 11 April 1967 by A. S. Rao at Hyderabad, under the Prime Ministership of Smt Indira Gandhi, to create a strong indigenous base in electronics. ECIL is a multi-product, multi-disciplinary organisation with focus on indigenous nuclear energy, space and defence sectors. ECIL also has a strong presence in indigenous electronic security, communications, networking and e-governance domains. ECIL has committed partnerships with nuclear energy establishments of India, particularly Bhabha Atomic Research Center (BARC), Nuclear Power Corporation of India Limited (NPCIL) and Indira Gandhi Centre for Atomic Research (IGCAR). ECIL also actively supports other strategic sectors such as indigenous defence (PSUs, Defence Research and Development Organisation; DRDO), space (Department of Space), civil aviation, information and broadcasting, telecommunications, insurance, banking, police and para-military forces, oil and gas, power, space education, health, agriculture, steel and coal.[3]
ECIL is credited with producing the first indigenous digital computers, TDC 312 and TDC 316,