It sounds like there was talk that maybe they hold off on closing the production line if India might have placed an order. They're supposedly making another order later, but it may be too late if the line is shut down. I haven't heard of an announcement for an EA-18G replacement.
Indian Navy Decision Further Seals Fate Of Super Hornet | Aviation Week Network
The announced selection by the Indian Navy of a French fighter is another blow to the future of Boeing’s F/A-18E/F Super Hornet assembly line in St. Louis.
aviationweek.com