New Delhi, June 2 -- Mamata Banerjee-led Trinamool Congress (TMC) will go ahead with its planned sit-in in Kolkata today against what the Bengal opposition party calls attacks on its leaders and workers, and the Railways' hawker eviction drive, despite the police denying permission for it.

The move comes amid mounting political turbulence within the TMC after expelling two MLAs for alleged anti-party activities, with reports also suggesting that more party leaders are in touch with the Bharatiya Janata Party (BJP), which secured a landslide victory in the recent West Bengal Assembly elections.

On Monday, a meeting with TMC MLAs was cancelled after only 20 of the 80 party legislators arrived at Banerjee's residence, news agency PTI repor...