MECON Limited, formerly known as Metallurgical & Engineering Consultants (India) Limited is a Public Sector Undertaking under the Ministry of Steel of the Government of India. It began in 1959 as the Central Engineering and Designing Bureau (CEDB) of the Hindustan Steel Limited (HSL), the first public sector steel company. Subsequently, CEDB grew as Metallurgical and Engineering Consultant (MECON), a subsidiary of the Steel Authority of India Limited (SAIL) in 1973. It later became an autonomous company reporting to the Ministry of Steel in 1978. 1 April is observed as Foundation Day in MECON.