Conversation so far:
What was the Sardar Sarovar project about?
Arundhati Roy has campaigned along with activist Medha Patkar against the Narmada dam project.
What was the Narmada dam project that Arundhati Roy was opposed to?
The Sardar Sarovar Dam is a gravity dam on the Narmada river near Navagam, Gujarat in India.
Who was the activist Medha Patkar?
Medha Patkar is an Indian social activist working on various crucial political and economical issues.
What was the result of the Narmada dam project?
Activists disagree on whether to demand stopping the dam building altogether or search for intermediate alternatives.

Question: Who else was involved in the project?
Self-contained rewrite: Who else was involved in the Narmada dam project?