The party passed a resolution authorising him to take all key decisions on Assembly elections due in Tamil Nadu during April-May next year.
More than 1,000 migrant workers, who earn daily wages and been stuck in Mumbai since the last three weeks, gathered in Bandra in Mumbai on Tuesday demanding transport facilities.
The actor-politician, who had welcomed the Janta curfew call given by Modi earlier, said he had high expectations from his address to the nation.
According to an MNM statement, Haasan said the protest should be peaceful and vigil should be maintained to prevent it from turning violent.
The actor expressed confidence that Tamil Nadu will "follow suit next year," apparently hinting at the assembly polls due in the state in 2021.
In the Lok Sabha election, the party had garnered four per cent vote share, he said.
He was responding to a query on his statement at an event on Thursday that he wanted Rajinikanth to help Tamil Nadu.
Makkal Needhi Maiam on Saturday made it clear that it would not attend the rally called by the DMK and its allies on December 23 against the Citizenship Amendment Act.
The rally was announced by Stalin after meeting leaders of allies earlier this week.
The actor-turned-politician's strong-worded response on the issue comes two days after the bill was passed in Lok Sabha and taken up for discussion in the upper house on Wednesday.
The actor-politician said his party will not contest the rural civic polls adding that the party's goal was to wrest power in Tamil Nadu in the 2021 Assembly elections.
Sources close to both actors confirmed the two being invited to Modi's swearing-in scheduled on Thursday, but did not divulge if the veterans would participate.