He also said his party looked set to to win 41 out of 42 Lok Sabha seats in West Bengal.
He was addressing an election rally in favour of the party nominee for the Barjala Assembly constituency in Tripura.
"Both the CPI(M) and the Congress will face yet another defeat in the 2019 Lok Sabha elecctions for their own mistakes. The BJP, which has so far failed to put up a good show, will also meet the same fate," he said.
"The people are fuming over the performance of Modi led government and will teach a lesson to it in the next general elections," he felt.
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"Laluji and Nitishji may manage to secure 20/25 seats while BJD is likely to win 18/20 seats in the next Lok Sabha elections. DMK or AIDMK will secure 39/40 seats while Netaji or Mayawatiji may won 25/30 seats," he predicted.
He continued: "It means Trinamool Congress will emerage as the largest party after the 2019 general elections. And naturally, Mamata Banerjee will become the next Prime Minister."
"Narendra Modi led government will not take any stern action against capitalists as it was funded by them during the last elections," he added.