Acronym Finder lists 76 different expansions of the initialism ECI. Among the most common would be Employment Cost Index. There is also the Indian telecommunications company ECI Telecom.

In relation to the employee in any scheduled employment in respect of which rate of minimum wages is fixed means that the index number is ascertained and declared by competent authority by notification in the official gazette to be a cost of living of the index number applicable to employee in such employment

ECI Prize was created in 1986.

ECI Telecom was created in 1961.

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