Conversation so far:
What political issues did Rajinikanth get involved with?
In 2002, Rajinikanth protested the Government of Karnataka's decision to not release Kaveri River water into Tamil Nadu.
Did Rajinikanth do anything else in support of his protest towards the Government of Karnataka?
Rajinikanth announced that he would contribute ₹10 million toward a plan to interlink Indian rivers.
Did Rajinikanth protest or anything toward the Government of Karnataka's decision to not release Kaveri River water into Tamil Nadu?
Rajinikanth undertook a day-long fast to protest.

Question: Did it work?
Self-contained rewrite: Did Rajinikanth's day-long fast protest work?