Both the companies are promoters in GMR Infrastructure.
In a BSE filing, GMR Holdings said: "Meeting of the Board of Directors of the company will be held on May 29, 2015, to consider the proposal to amalgamate GMR Holdings Pvt Ltd with GMR Enterprises Pvt Ltd as a part of corporate restructuring exercise."
As of April 18, GMR Holdings held 51.97 per cent stake in GMR Infrastructure, while GMR Enterprises held 0.44 per cent stake.