In what could be seen as a strong political message to the non-NDA parties, West Bengal Chief Minister and Trinamool Congress supremo Mamata Banerjee on Thursday wished Kerala Chief Minister Pinarayi Vijayn on his birthday.

“Birthday greetings to @CMOKerala @vijayanpinarayi Pinarayi Vijayan,” Mamata wrote on Twitter.

Given that the Trinamool Congress and Vijayan's Communist Party of India (Marxist) are bêtes noires in West Bengal, Mamata's tweet has taken the political observers by surprise

Mamata Banerjee has been campaigning in the national level to form an anti-BJP coalition to take on the Narendra Modi government in the 2019 Lok Sabha elections. She hopes to get the CPI(M) on board to form a grand alliance to take on the NDA.

Mamata was among the first to congratulate JD(S) and Congress on coming together to keep the saffron party out of power in Karnataka.

Last month, Mamata had visited ailing Buddhadeb Bhattacharjee. This was the third such meeting of the Banerjee and Bhattacharjee since the Communist chief minister demitted office in 2011.

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