The first big byte Updated: Updated: 2021 marks the 50th anniversary of the manufacture of the first digital computer in India Share Article 2021 marks the 50th anniversary of the manufacture of the first digital computer in India The year 2021 marks the 50th anniversary of the manufacture of the first digital computer in India. After being indigenously developed at the Bhabha Atomic Research Centre in 1969, the computer, TDC-12, was made by Electronics Corporation of India Ltd. (ECIL) in Hyderabad in 1971. The efforts put in by ECIL in hardware and software development while bringing out a series of digital computers subsequently were phenomenal and laid the foundations for India’s computer industry.