Kolkata, June 5 -- Speculation over growing fissures within the Trinamool Congress (TMC) has intensified, with political circles now questioning whether the turmoil that has surfaced in the party's legislative wing in the West Bengal Assembly could spill over into its parliamentary ranks in the Lok Sabha.

The latest trigger came from Barasat MP Kakoli Ghosh Dastidar, who once again appeared to aim for the party leadership, arguing that the electorate had delivered its verdict against TMC's policy failures and governance shortcomings.

Her remarks came days after former Chief Minister Mamata Banerjee, while addressing a protest programme at Esplanade's Y-Channel on June 2, criticised an unnamed party leader for making dissenting remarks aft...