The Congress proposed that the TMC should merge with it instead to put up a united fight against the BJP.
The BJP, which has emerged as a potent force in the state, said the TMC's suggestion amounted to admission that it was not in a position to take on the saffron party on its own in the assembly polls in West Bengal due in April-May.
"If the Left Front and the Congress are genuinely anti-BJP, they should rally behind Mamata Banerjee in her fight against the communal and divisive politics of the saffron party," senior TMC MP Sougata Roy said.
Reacting to the TMC's proposal, state Congress chief Adhir Ranjan Chowdhury blamed the West Bengal's ruling party for the growth of the BJP in the state.
"We are not interested in aligning with the TMC.
Why is the TMC now interested in an alliance with us after poaching our MLAs over the last 10 years.
If Mamata Banerjee is in keen on fighting the BJP, then she should join the Congress as it is the only pan-India platform to fight against communalism," he said.
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