The project is being developed by a consortium comprising GMR Energy, GMR Infrastructure and Italian-Thai Development Public (ITD) on build, own, operate and transfer (BOOT) basis.
Currently, GMR has 15 power producing projects with eight being operational and seven are in construction.
"The talks are about a partnership wherein EDF may come as a minority investor," reported Livemint.com citing familiar person with the matter.
EDF is a power utility owned by the French government, while GMR Group is India-based engineering company.