Conversation so far:
What are Rajinikanth's political views?
Rajinikanth began supporting the Indian National Congress.
Did you support any specific politicians?
Prime Minister P.
V.
Narasimha Rao.
In what ways did he support the prime minister?
An opinion poll conducted by the magazine Kumudam predicted that Congress, with Rajinikanth's support, might win up to 130 seats.
Did Congress win seats because of his support?
Rajinikanth changed loyalties.
Who did he change his loyalty to?
supported the Dravida Munnetra Kazhagam (DMK)-Tamil Maanila Congress (TMC) alliance.

Question: Why did he change his support to them?
Self-contained rewrite: Why did Rajinikanth change his support to Dravida Munnetra Kazhagam (DMK)-Tamil Maanila Congress (TMC) alliance?