CMC Limited is an Information Technology services, consulting and software company having its Headquarters in New Delhi, India. CMC is part of the TATA group and is a subsidiary of Tata Consultancy Services. CMC was incorporated on December 26, 1975, as the 'Computer Maintenance Corporation Private Limited'. The Government of India held 100 per cent of the equity share capital and owned by government of india. On August 19, 1977, it was converted into a public limited company.