The Government of India issued a circular on February 18, 1974, recognizing the Post Graduate Diploma in Industrial Engineering awarded by the National Productivity Council. This recognition is applicable for recruitment to superior posts and services under the central government. The effective date of this recognition is January 6, 1973.

1. Circular of Government of India
(18th February 1974)
Recognition of the Post Graduate Diploma in Industrial Engineering
awarded by the National Productivity Council for the purpose of
recruitment to superior posts and services under Central Government in
the appropriate field with effect from 6th January 1973 .