India, June 5 -- The Trinamool Congress (TMC) is planning legal action over the West Bengal assembly speaker's decision to appoint TMC rebel Ritabrata Banerjee as the Leader of the Opposition, with the party MP Kalyan Banerjee terming the decision "illegal".

"We have decided that the LoP appointed by the Speaker is illegal. We are approaching the Court against this on Monday. We will file a petition before the High Court," Banerjee said. He further accused the BJP of "killing" TMC workers and lodging false cases against them.'

"We will fight on the streets, we will fight in Court," Kalyan said after party leader and former CM Mamata Banerjee held a meeting at her residence in Kalighat area of Kolkata on Friday.

While the TMC is yet to ...