The southern star was asked if there was a political agenda to the Chennai meeting of his fans on Sunday.
"No, there won't be any announcement on politics. The fans are meeting because it has been a long time," said the actor, who met Malaysian Prime Minister Mohammed Najib Razak in Chennai earlier in the day.
He also said that he may not attend the fans' meet.
Rumours had gripped Tamil Nadu that Rajinikanth — whose fan following runs into hundreds of thousands — may take a major political step on Sunday.
The 66-year-old icon has been wooed by political parties in the past. Most recently, he expressed support to the BJP candidate — from the Tamil film industry — in the upcoming by-election from R K Nagar in Chennai.
In 2009, it was strongly believed that Rajinikanth would take the political plunge. But he didn't.