Conversation so far:
What political issues did Rajinikanth get involved with?
In 2002, Rajinikanth undertook a day-long fast to protest the Government of Karnataka's decision to not release Kaveri River water into Tamil Nadu.
Did he do anything else in support of this issue?
contribute Rs10 million (US$150,000) toward a plan to interlink Indian rivers.

Question: Did he protest or anything?
Self-contained rewrite: Did Rajinikanth protest or anything?